17720239

素因数分解:

${\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:330

約数の個数: 16

約数和(自身を含む): 19340640

約数和(自身を除く): 1620401

約数列:

[1, 17, 73, 109, 131, 1241, 1853, 2227, 7957, 9563, 14279, 135269, 162571, 242743, 1042367, 17720239]

約数ペア:

[(1, 17720239), (17, 1042367), (73, 242743), (109, 162571), (131, 135269), (1241, 14279), (1853, 9563), (2227, 7957)]