using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;


class Program
{
    static void Main(string[] args)
    {
        new Magatro().Solve();
    }
}

class Magatro
{
    long N;

    private void Scan()
    {
        N = long.Parse(Console.ReadLine());
    }

    public void Solve()
    {
        Scan();
        int ans = 0;
        HashSet<string> Hs = new HashSet<string>();
        for (long i = 1; i * i <= N; i++)
        {
            if (N % i == 0)
            {
                Hs.Add(string.Format("{0}{1}", i, N / i));
            }
        }
        Console.WriteLine(Hs.Count);
    }

}