309626

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 16

約数和(自身を含む): 497664

約数和(自身を除く): 188038

約数列:

[1, 2, 23, 46, 53, 106, 127, 254, 1219, 2438, 2921, 5842, 6731, 13462, 154813, 309626]

約数ペア:

[(1, 309626), (2, 154813), (23, 13462), (46, 6731), (53, 5842), (106, 2921), (127, 2438), (254, 1219)]