81978644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{1863151}}^1$

素因数の和:1863166

約数の個数: 12

約数和(自身を含む): 156504768

約数和(自身を除く): 74526124

約数列:

[1, 2, 4, 11, 22, 44, 1863151, 3726302, 7452604, 20494661, 40989322, 81978644]

約数ペア:

[(1, 81978644), (2, 40989322), (4, 20494661), (11, 7452604), (22, 3726302), (44, 1863151)]