macro_rules! input {
    (source = $s:expr, $($r:tt)*) => {
        let mut iter = $s.split_whitespace();
        let mut next = || { iter.next().unwrap() };
        input_inner!{next, $($r)*}
    };
    ($($r:tt)*) => {
        let stdin = std::io::stdin();
        let mut bytes = std::io::Read::bytes(std::io::BufReader::new(stdin.lock()));
        let mut next = move || -> String{
            bytes
                .by_ref()
                .map(|r|r.unwrap() as char)
                .skip_while(|c|c.is_whitespace())
                .take_while(|c|!c.is_whitespace())
                .collect()
        };
        input_inner!{next, $($r)*}
    };
}

macro_rules! input_inner {
    ($next:expr) => {};
    ($next:expr, ) => {};

    ($next:expr, $var:ident : $t:tt $($r:tt)*) => {
        let $var = read_value!($next, $t);
        input_inner!{$next $($r)*}
    };
}

macro_rules! read_value {
    ($next:expr, ( $($t:tt),* )) => {
        ( $(read_value!($next, $t)),* )
    };

    ($next:expr, [ $t:tt ; $len:expr ]) => {
        (0..$len).map(|_| read_value!($next, $t)).collect::<Vec<_>>()
    };

    ($next:expr, Chars) => {
        read_value!($next, String).chars().collect::<Vec<char>>()
    };

    ($next:expr, Usize1) => {
        read_value!($next, usize) - 1
    };

    ($next:expr, $t:ty) => {
        $next().parse::<$t>().expect("Parse error")
    };
}

const MOD: u64 = 1_000_000_007;

fn f(k: u64, n: u64) -> u64 {
	if k == 1 {
		let mut res = 1;
		let mut m = n;
		for i in (2..).take_while(|&i| i * i <= n) {
			while m % i == 0 {
				res = res * (i + 1) % MOD;
				m /= i;
			}
		}
		if m > 1 {
			res = res * (m + 1) % MOD;
		}
		return res;
	}
	if k % 2 == 0 {
		f(k / 2, f(k / 2, n) % MOD) % MOD
	} else {
		f(1, f(k - 1, n) % MOD) % MOD
	}
}

fn main() {
	input! {
		n: u64,
		k: u64,
	}
	println!("{}", f(k, n));
}