C-program to find PERFECT NUMBER

Q.) Find out the perfect number using C- program .

Sol)

#include<stdio.h>

#include<conio.h>

int main( )

{

    int n, i=1, sum=0;

    printf("Enter a Number : ") ;

    scanf("%d",&n) ;

    

    while(i<n)

      {

           if(n%i==0)

                 {  sum=sum+i ; }

           i++ ;

       }

    if(sum==n)

           printf("\n %d is a perfect number", i) ;

    else

           printf("\n %d is not a perfect number", i)  ;

    return 0;

}

                     :: OUTPUT ::

      

Enter a Number : 6

6 is perfect number