use std::collections::HashSet;

fn main() {
	let mut s = String::new();
	std::io::stdin().read_line(&mut s).ok();
	let n: u64 = s.trim().parse().unwrap();
	let mut a = HashSet::new();
	for i in 1..=n {
		if n % i == 0 {
			a.insert(format!("{}{}", i, n / i));
			a.insert(format!("{}{}", n / i, i));
		}
		if i > n / i {
			break;
		}
	}
	print!("{}", a.len())
}