Check Perfect Number in Java

1import java.util.Scanner;
2
3public class Main {
4    public static void main(String[] args) {
5        Scanner sc = new Scanner(System.in);
6
7        System.out.print("Enter a number: ");
8        int n = sc.nextInt();
9
10        int sum = 0;
11        for (int i = 1; i <= n / 2; i++) {
12            if (n % i == 0) {
13                sum += i;
14            }
15        }
16
17        if (sum == n && n != 0) {
18            System.out.println(n + " is a Perfect Number");
19        } else {
20            System.out.println(n + " is not a Perfect Number");
21        }
22
23        sc.close();
24    }
25}