use std::collections::HashSet;

const fn concat(l: u64, r: u64) -> u64 {
    let mut c = 10;
    while r >= c {
        c *= 10;
    }

    c * l + r
}

fn main() {
    let mut n = String::new();
    std::io::stdin().read_line(&mut n).ok();
    let n: u64 = n.trim().parse().unwrap();

    let sqrt_n = (n as f64).sqrt().floor() as u64;

    let mut candidates = HashSet::new();
    for i in 1..=sqrt_n {
        if n % i == 0 {
            candidates.insert(concat(i, n / i));
            candidates.insert(concat(n / i, i));
        }
    }

    println!("{}", candidates.len());
}