#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <atcoder/modint>
using namespace std;
using i32 = int32_t;
using u32 = uint32_t;
using i64 = int64_t;
using u64 = uint64_t;
#define rep(i,n) for(int i=0; i<(n); i++)


vector<pair<u64,u64>> factorize(u64 N){
  vector<pair<u64,u64>> res;
  for(u64 i=2; i*i<=N; i++){
    if(N%i) continue;
    res.push_back({i,0});
    while(N%i==0){ N/=i; res.back().second++; }
  }
  if(N!=1) res.push_back({N,1});
  return move(res);
}
vector<u64> divs(vector<pair<u64,u64>> F){
  vector<u64> res = {1};
  for(auto f:F){
    int t=res.size() * f.second;
    rep(i,t) res.push_back(res[i] * f.first);
  }
  return move(res);
}


using m32 = atcoder::static_modint<1000000007>;

m32 Comb(int n, int r){
  m32 ans = 1;
  rep(i,r) ans /= (i+1);
  rep(i,r) ans *= n-i;
  return ans;
}


int main(){
  u64 N,K; cin >> N >> K;

  auto F = factorize(N);
  m32 ans = 1;
  for(auto f : F){
    ans *= Comb(f.second + K, K);
  }
  cout << ans.val() << endl;
  return 0;
}

struct ios_do_not_sync{
  ios_do_not_sync(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
  }
} ios_do_not_sync_instance;