import java.util.Scanner;
class main{
    public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt();
        if(n < 0){
            System.out.println("Invalid input");
            return;
        }
        
        int temp;
    
    int count = 0;
        int val = n;
        for(int i = temp ; i <= n ; i++){
          if(val % i == 0){
              val = n  / i;
              count++;
          }
          if(val == 1){
              break;
          }
           }
           System.out.println(count);
        }
    
    }