// Q(N+M)=PNM
// P^2NM - PQ(N+M) = 0
// (PN - Q)(PM - Q) - Q^2 = 0

fn run() {
    input!(p: u64, q: u64);
    let mut f = vec![];
    let mut m = q;
    for p in 2.. {
        if p * p > m {
            break;
        }
        if m % p == 0 {
            f.push(p);
            while m % p == 0 {
                m /= p;
            }
        }
    }
    if m > 1 {
        f.push(m);
    }
    let mut m = q * q;
    let mut d = vec![1];
    for &p in f.iter() {
        let len = d.len();
        while m % p == 0 {
            for i in (d.len() - len)..d.len() {
                let v = d[i] * p;
                d.push(v);
            }
            m /= p;
        }
    }
    let mut ans = vec![];
    for &d in d.iter() {
        if (d + q) % p == 0 && (q * q / d + q) % p == 0 {
            ans.push(((d + q) / p, (q * q / d + q) / p));
        }
    }
    ans.sort();
    ans.dedup();
    println!("{}", ans.len());
    for a in ans {
        println!("{} {}", a.0, a.1);
    }
}

fn main() {
    run();
}

// ---------- begin input macro ----------
// reference: https://qiita.com/tanakh/items/0ba42c7ca36cd29d0ac8
#[macro_export]
macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
    ($($r:tt)*) => {
        let s = {
            use std::io::Read;
            let mut s = String::new();
            std::io::stdin().read_to_string(&mut s).unwrap();
            s
        };
        let mut iter = s.split_whitespace();
        input_inner!{iter, $($r)*}
    };
}

#[macro_export]
macro_rules! input_inner {
    ($iter:expr) => {};
    ($iter:expr, ) => {};
    ($iter:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($iter, $t);
        input_inner!{$iter $($r)*}
    };
}

#[macro_export]
macro_rules! read_value {
    ($iter:expr, ( $($t:tt),* )) => {
        ( $(read_value!($iter, $t)),* )
    };
    ($iter:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($iter, $t)).collect::<Vec<_>>()
    };
    ($iter:expr, chars) => {
        read_value!($iter, String).chars().collect::<Vec<char>>()
    };
    ($iter:expr, bytes) => {
        read_value!($iter, String).bytes().collect::<Vec<u8>>()
    };
    ($iter:expr, usize1) => {
        read_value!($iter, usize) - 1
    };
    ($iter:expr, $t:ty) => {
        $iter.next().unwrap().parse::<$t>().expect("Parse error")
    };
}
// ---------- end input macro ----------