81067684

素因数分解:

$2^2\times {\mathrm{661}}^1\times {\mathrm{30661}}^1$

素因数の和:31326

約数の個数: 12

約数和(自身を含む): 142087708

約数和(自身を除く): 61020024

約数列:

[1, 2, 4, 661, 1322, 2644, 30661, 61322, 122644, 20266921, 40533842, 81067684]

約数ペア:

[(1, 81067684), (2, 40533842), (4, 20266921), (661, 122644), (1322, 61322), (2644, 30661)]