perfect number program in c

Perfect Number :A perfect number is a positive integer that is equal to the sum of its proper positive divisors, that is, the sum of its positive divisors excluding the number itself. 



#include<stdio.h>
int main()
{
int n,rem,sum=0,i;
printf("Enter a number\n");
scanf("%d",&n);

for(i=1;i<=(n-1);i++)
{
rem=n%i;
if(rem==0)
{
sum=sum+i;
}

}

if(sum==n)
printf(" number is perfect ");
else
printf("number is not perfect ");

return 0;
}





OUTPUT:

1:   Enter a number 496
       number is perfect 


2:   Enter a number 67
     number is not perfect