81238556

素因数分解:

$2^2\times 7^1\times {\mathrm{887}}^1\times {\mathrm{3271}}^1$

素因数の和:4169

約数の個数: 24

約数和(自身を含む): 162710016

約数和(自身を除く): 81471460

約数列:

[1, 2, 4, 7, 14, 28, 887, 1774, 3271, 3548, 6209, 6542, 12418, 13084, 22897, 24836, 45794, 91588, 2901377, 5802754, 11605508, 20309639, 40619278, 81238556]

約数ペア:

[(1, 81238556), (2, 40619278), (4, 20309639), (7, 11605508), (14, 5802754), (28, 2901377), (887, 91588), (1774, 45794), (3271, 24836), (3548, 22897), (6209, 13084), (6542, 12418)]