#include<bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
using mint=modint1000000007;
using ll=long long;
using pp=pair<int,int>;
#define sr string 
#define vc vector
#define fi first
#define se second
#define rep(i,n) for(int i=0;i<(int)n;i++)
#define pb push_back
#define all(v) v.begin(),v.end()
#define pque priority_queue
#define bpc(a) __builtin_popcount(a)
int main(){
  ll n,k;cin>>n>>k;
  vc<ll>p(1e6+1,1);
  vc<mint>comb(100,(mint)k); 
  for(int i=1;i<100;i++)comb[i+1]=comb[i]*(k+i)/(i+1);
  mint ans=1;
  for(ll i=2;i*i<=n;i++)if(p[i]){
    for(ll j=i;j<=1e6;j+=i)p[j]=0;
    int t=0;
    while(n%i==0)n/=i,t++;
    mint res=1;
    for(int j=1;j<=t;j++)res+=comb[j];
    ans*=res;
  }
  if(n>1)ans+=ans*k;
  cout<<ans.val();
}