static void Main(string[] args)
{
PrimeNumber prime_number = new PrimeNumber();
Console.WriteLine("请输入一个数字");
string a_num = Console.ReadLine();
prime_number.num = Convert.ToInt32(a_num);
int[] final_numbers = prime_number.Divide(prime_number.num);
Console.WriteLine($"{prime_number.num}的素数因子分别为：");
foreach (int num in final_numbers)
{
if (num != 0)
{
Console.WriteLine(num);
}
}
}