Program to check input number is perfect number or not

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/* Program to check input number is perfect number or not */

#include<iostream.h>
#include<conio.h>
void main()
{
int i,j,k,sum,mul;
sum=0;
mul=1;
clrscr();

cout<<"Enter number:";
cin>>k;

for(i=1;i<k;i++)
{
if(k%i==0)
{
sum=sum+i;
mul=mul*i;
}

}
if(mul==sum)
{
cout<<"perfet number";
}
else
{
cout<<"not perfect number";
}

getch();
}