java import java.util.Scanner; public class FactorsSum { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.print("请输入一个整数:"); int number = scanner.nextInt(); scanner.close(); int sum = 0; for (int i = 1; i <= number; i++) { if (number % i == 0) { sum += i; } } System.out.println("所有因子的和为:" + sum); } }