81613306894

素因数分解:

$2^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{21511151}}^1$

素因数の和:21511431

約数の個数: 16

約数和(自身を含む): 140424800256

約数和(自身を除く): 58811493362

約数列:

[1, 2, 7, 14, 271, 542, 1897, 3794, 21511151, 43022302, 150578057, 301156114, 5829521921, 11659043842, 40806653447, 81613306894]

約数ペア:

[(1, 81613306894), (2, 40806653447), (7, 11659043842), (14, 5829521921), (271, 301156114), (542, 150578057), (1897, 43022302), (3794, 21511151)]