71716432

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{104239}}^1$

素因数の和:104290

約数の個数: 20

約数和(自身を含む): 142183360

約数和(自身を除く): 70466928

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 104239, 208478, 416956, 833912, 1667824, 4482277, 8964554, 17929108, 35858216, 71716432]

約数ペア:

[(1, 71716432), (2, 35858216), (4, 17929108), (8, 8964554), (16, 4482277), (43, 1667824), (86, 833912), (172, 416956), (344, 208478), (688, 104239)]