257089398013

素因数分解:

$7^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1\times {\mathrm{621997}}^1$

素因数の和:622572

約数の個数: 16

約数和(自身を含む): 296648262144

約数和(自身を除く): 39558864131

約数列:

[1, 7, 137, 431, 959, 3017, 59047, 413329, 621997, 4353979, 85213589, 268080707, 596495123, 1876564949, 36727056859, 257089398013]

約数ペア:

[(1, 257089398013), (7, 36727056859), (137, 1876564949), (431, 596495123), (959, 268080707), (3017, 85213589), (59047, 4353979), (413329, 621997)]