def factorization(n):
    arr = []
    temp = n
    for i in range(2, int(-(-n**0.5//1))+1):
        if temp%i==0:
            cnt=0
            while temp%i==0:
                cnt+=1
                temp //= i
            arr.append([i, cnt])
    if temp!=1:
        arr.append([temp, 1])

    if arr==[]:
        arr.append([n, 1])
    return arr

N, K = map(int, input().split())
mod = 10**9+7

mem = {}
arr = factorization(N)
res = 1
for num, cnt in arr:
    if cnt in mem:
        res *= mem[cnt]
        res %= mod
    else:
        cal = 1
        for i in range(cnt):
            cal *= cnt+K-i
            cal %= mod
            cal *= pow(i+1,mod-2,mod)
            cal %= mod
        mem[cnt] = cal
        res *= cal
        res %= mod

print(res)