using System;
using System.Linq;
using System.Collections.Generic;
public class Hello{
    public static void Main(){
        
            int n = int.Parse(Console.ReadLine());
            var Xs = new HashSet<string>();
            
            for(int i=1;i<=n;i++)
            {
                if(n%i==0)
                {
                    Xs.Add((n/i).ToString() + i.ToString());        
                }
            }
            
            Console.WriteLine(Xs.Count);    
            
    }
}