28638506

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{64793}}^1$

素因数の和:64825

約数の個数: 16

約数和(自身を含む): 48984264

約数和(自身を除く): 20345758

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 64793, 129586, 842309, 1101481, 1684618, 2202962, 14319253, 28638506]

約数ペア:

[(1, 28638506), (2, 14319253), (13, 2202962), (17, 1684618), (26, 1101481), (34, 842309), (221, 129586), (442, 64793)]