C Program to check the given number is perfect or not.

C Program to check the given number is perfect or not?.  Perfect number is a positive integer that is equal to the sum of its proper positive divisors. example 6, divisor of 6 are 1, 2,3. Sum of divisors is 1+2+3=6.
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#include<stdio.h>
int 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 not a perfect number",i);

return 0;
}
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