201621790

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{38699}}^1$

素因数の和:39227

約数の個数: 16

約数和(自身を含む): 363625200

約数和(自身を除く): 162003410

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 5210, 38699, 77398, 193495, 386990, 20162179, 40324358, 100810895, 201621790]

約数ペア:

[(1, 201621790), (2, 100810895), (5, 40324358), (10, 20162179), (521, 386990), (1042, 193495), (2605, 77398), (5210, 38699)]