398321132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{244669}}^1$

素因数の和:244721

約数の個数: 24

約数和(自身を含む): 780986640

約数和(自身を除く): 382665508

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 244669, 489338, 978676, 2691359, 5382718, 9052753, 10765436, 18105506, 36211012, 99580283, 199160566, 398321132]

約数ペア:

[(1, 398321132), (2, 199160566), (4, 99580283), (11, 36211012), (22, 18105506), (37, 10765436), (44, 9052753), (74, 5382718), (148, 2691359), (407, 978676), (814, 489338), (1628, 244669)]