Question 2

import java.util.Scanner;
class Project02
{
public static void main(String[]args)
{
Scanner sc=new Scanner(System.in);
System.out.println("Enter a number");
int i,s=0,n=sc.nextInt();
for(i=1;i<=n/2;i++)
if(n%i==0)
s+=i;
if(s==n)
System.out.println("Yes Perfect number");
else
System.out.println("Not Perfect number");
}
}