using System;

​

/*

* Kendall Lemarr cs133n Problem 1

* IPO:

*

* INPUT:

*   TOTAL

*   NUMBER

*   

* OUTPUT:

*   A PERFECT NUMBER

*   NOT A PERFECT NUMBER

*

* ALGORITHM:

*  SUM = 0;

*  DIVISOR = 1

*  WHILE NUMBER < DIVISOR:

*   IF NUMBER IS DIVISABLE EVENLY:

*       SUM += DIVSOR

*       DIVISOR += 1

*   END IF

*   END WHILE

*/

​

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Enter a number");

        string input = Console.ReadLine();

        int sum = 0;

        int counter = 1;

        int number = Convert.ToInt32(input);

        while (counter < number)

        {

            // check if variable in the for loop is a factor when result == 0

            if((number % counter) == 0)

            {

                // when a factor is found get the factor

                int factor = (number / counter);          

                Console.WriteLine("Factor " + factor);

                sum += factor;

            } 

            if(sum == number)

            {

                // checks if the factors add up to the number and prints out the appropriate message

                Console.WriteLine("Perfect Number = " + sum);

            }

            else 

            {

                Console.WriteLine("Not a Perfect Number = " + number);

            }

​

          counter++;

        }   

    }

}