399260074

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{11351}}^1$

素因数の和:11805

約数の個数: 16

約数和(自身を含む): 614370240

約数和(自身を除く): 215110166

約数列:

[1, 2, 43, 86, 409, 818, 11351, 17587, 22702, 35174, 488093, 976186, 4642559, 9285118, 199630037, 399260074]

約数ペア:

[(1, 399260074), (2, 199630037), (43, 9285118), (86, 4642559), (409, 976186), (818, 488093), (11351, 35174), (17587, 22702)]