201643216

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{19661}}^1$

素因数の和:20310

約数の個数: 20

約数和(自身を含む): 391313124

約数和(自身を除く): 189669908

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 19661, 39322, 78644, 157288, 314576, 12602701, 25205402, 50410804, 100821608, 201643216]

約数ペア:

[(1, 201643216), (2, 100821608), (4, 50410804), (8, 25205402), (16, 12602701), (641, 314576), (1282, 157288), (2564, 78644), (5128, 39322), (10256, 19661)]