package main

import . "fmt"

func main() {
	var n int64
	Scan(&n)
	t:=map[string]bool{}
	for i:=int64(1); i*i<=n; i++ {
		if n%i != 0 {
			continue
		}
		t[Sprint(i,n/i)]=true
		t[Sprint(n/i,i)]=true
	}
	Println(len(t))
}