81938054

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{9151}}^1$

素因数の和:9212

約数の個数: 24

約数和(自身を含む): 138762624

約数和(自身を除く): 56824570

約数列:

[1, 2, 11, 22, 37, 74, 121, 242, 407, 814, 4477, 8954, 9151, 18302, 100661, 201322, 338587, 677174, 1107271, 2214542, 3724457, 7448914, 40969027, 81938054]

約数ペア:

[(1, 81938054), (2, 40969027), (11, 7448914), (22, 3724457), (37, 2214542), (74, 1107271), (121, 677174), (242, 338587), (407, 201322), (814, 100661), (4477, 18302), (8954, 9151)]