1640594879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{1973}}^1\times {\mathrm{10799}}^1$

素因数の和:12790

約数の個数: 16

約数和(自身を含む): 2046643200

約数和(自身を除く): 406048321

約数列:

[1, 7, 11, 77, 1973, 10799, 13811, 21703, 75593, 118789, 151921, 831523, 21306427, 149144989, 234370697, 1640594879]

約数ペア:

[(1, 1640594879), (7, 234370697), (11, 149144989), (77, 21306427), (1973, 831523), (10799, 151921), (13811, 118789), (21703, 75593)]