389475838

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{40177}}^1$

素因数の和:40347

約数の個数: 16

約数和(自身を含む): 604598544

約数和(自身を除く): 215122706

約数列:

[1, 2, 37, 74, 131, 262, 4847, 9694, 40177, 80354, 1486549, 2973098, 5263187, 10526374, 194737919, 389475838]

約数ペア:

[(1, 389475838), (2, 194737919), (37, 10526374), (74, 5263187), (131, 2973098), (262, 1486549), (4847, 80354), (9694, 40177)]