//MIGUEL, DIONNE PHILIP

//CCP 1103 - ITBC

//ACTIVITY

​

using System;

​

namespace ExampleTwo

{

    public class Program

    {

        public static void Main(string[] args)

        {

            int number;

            int sum = 0;

            string inputNumber;

            Console.Write("Enter a number: ");

            inputNumber = Console.ReadLine();

​

            if (Int32.TryParse(inputNumber, out number) == true)

            {

                if (number > 0)

                {

                    double root = 1;

                    int i = 0;

                    while (true)

                    {

                        i = i + 1;

                        root = (number / root + root) / 2;

                        if (i == number + 1) 

                        {

                            break;

                        }

                    }

                    for (int counter = 1; counter <= root ; counter++)

                    {

                        if (number % counter == 0)

                        {

                            if (number / counter == counter)

                            {

                                sum = sum + counter;

                            }

                            else

                            {

                                sum = sum + counter;

                                sum = sum + (number / counter);

                            }

                        }

                    }

                    sum = sum - number;

                    int multiplied = number * 2;

                    int abundance = sum - number;

                    if (sum > number)

                    {

                        Console.WriteLine("{0} is an abundant number", number);

                        Console.WriteLine("{0} is the abundance", abundance);

                    }

                    else

                    {

                        Console.WriteLine("{0} is not an abundant number", number);

                        Console.Write("There is no abundance");

                    }

                }

                else

                {

                    Console.Write("Invalid Input. Enter a number greater than zero");

                }

            }

            else

            {

                Console.Write("Invalid Input. Enter a numeric value.");

            }

        }

    }

}