81386668

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{16369}}^1$

素因数の和:16497

約数の個数: 24

約数和(自身を含む): 156759120

約数和(自身を除く): 75372452

約数列:

[1, 2, 4, 11, 22, 44, 113, 226, 452, 1243, 2486, 4972, 16369, 32738, 65476, 180059, 360118, 720236, 1849697, 3699394, 7398788, 20346667, 40693334, 81386668]

約数ペア:

[(1, 81386668), (2, 40693334), (4, 20346667), (11, 7398788), (22, 3699394), (44, 1849697), (113, 720236), (226, 360118), (452, 180059), (1243, 65476), (2486, 32738), (4972, 16369)]