2171445815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{5640119}}^1$

素因数の和:5640142

約数の個数: 16

約数和(自身を含む): 3248709120

約数和(自身を除く): 1077263305

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 5640119, 28200595, 39480833, 62041309, 197404165, 310206545, 434289163, 2171445815]

約数ペア:

[(1, 2171445815), (5, 434289163), (7, 310206545), (11, 197404165), (35, 62041309), (55, 39480833), (77, 28200595), (385, 5640119)]