81361418

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{20129}}^1$

素因数の和:20221

約数の個数: 16

約数和(自身を含む): 127543680

約数和(自身を除く): 46182262

約数列:

[1, 2, 43, 47, 86, 94, 2021, 4042, 20129, 40258, 865547, 946063, 1731094, 1892126, 40680709, 81361418]

約数ペア:

[(1, 81361418), (2, 40680709), (43, 1892126), (47, 1731094), (86, 946063), (94, 865547), (2021, 40258), (4042, 20129)]