2920939319

素因数分解:

${\mathrm{31}}^2\times {\mathrm{151}}^1\times {\mathrm{20129}}^1$

素因数の和:20342

約数の個数: 12

約数和(自身を含む): 3038341680

約数和(自身を除く): 117402361

約数列:

[1, 31, 151, 961, 4681, 20129, 145111, 623999, 3039479, 19343969, 94223849, 2920939319]

約数ペア:

[(1, 2920939319), (31, 94223849), (151, 19343969), (961, 3039479), (4681, 623999), (20129, 145111)]