66414061

素因数分解:

$7^4\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:366

約数の個数: 20

約数和(自身を含む): 78428000

約数和(自身を除く): 12013939

約数列:

[1, 7, 49, 139, 199, 343, 973, 1393, 2401, 6811, 9751, 27661, 47677, 68257, 193627, 333739, 477799, 1355389, 9487723, 66414061]

約数ペア:

[(1, 66414061), (7, 9487723), (49, 1355389), (139, 477799), (199, 333739), (343, 193627), (973, 68257), (1393, 47677), (2401, 27661), (6811, 9751)]