81810098

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{2351}}^1$

素因数の和:2617

約数の個数: 16

約数和(自身を含む): 124637184

約数和(自身を除く): 42827086

約数列:

[1, 2, 127, 137, 254, 274, 2351, 4702, 17399, 34798, 298577, 322087, 597154, 644174, 40905049, 81810098]

約数ペア:

[(1, 81810098), (2, 40905049), (127, 644174), (137, 597154), (254, 322087), (274, 298577), (2351, 34798), (4702, 17399)]