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 List<string>();
            
            for(int i=1;i<=n;i++)
            {
                if(n%i==0)
                {
                    xs.Add((n/i).ToString() + i.ToString());        
                }
            }
            
            Console.WriteLine(xs.Count);    
        
    }
}