Program to Check Whether Given Number is Perfect Or Not ?

#include<stdio.h>

#include<conio.h>

void main()

{

   int num, i = 1, sum = 0;

   printf("Enter a number: ");

   scanf("%d", &num);

   while (i < num)

{

      if (num % i == 0)

{

         sum = sum + i;

     }

      i++;

   }

   if (sum == num)

   printf("%d is a Perfect Number", i);

   else

   printf("%d is Non Perfect Number", i); 

  getch();

}