211857212

素因数分解:

$2^2\times 7^1\times {\mathrm{331}}^1\times {\mathrm{22859}}^1$

素因数の和:23201

約数の個数: 24

約数和(自身を含む): 425013120

約数和(自身を除く): 213155908

約数列:

[1, 2, 4, 7, 14, 28, 331, 662, 1324, 2317, 4634, 9268, 22859, 45718, 91436, 160013, 320026, 640052, 7566329, 15132658, 30265316, 52964303, 105928606, 211857212]

約数ペア:

[(1, 211857212), (2, 105928606), (4, 52964303), (7, 30265316), (14, 15132658), (28, 7566329), (331, 640052), (662, 320026), (1324, 160013), (2317, 91436), (4634, 45718), (9268, 22859)]