638528093

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{28949}}^1$

素因数の和:29116

約数の個数: 16

約数和(自身を含む): 767059200

約数和(自身を除く): 128531107

約数列:

[1, 7, 23, 137, 161, 959, 3151, 22057, 28949, 202643, 665827, 3966013, 4660789, 27762091, 91218299, 638528093]

約数ペア:

[(1, 638528093), (7, 91218299), (23, 27762091), (137, 4660789), (161, 3966013), (959, 665827), (3151, 202643), (22057, 28949)]