408020828

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{21019}}^1$

素因数の和:21257

約数の個数: 24

約数和(自身を含む): 748648320

約数和(自身を除く): 340627492

約数列:

[1, 2, 4, 23, 46, 92, 211, 422, 844, 4853, 9706, 19412, 21019, 42038, 84076, 483437, 966874, 1933748, 4435009, 8870018, 17740036, 102005207, 204010414, 408020828]

約数ペア:

[(1, 408020828), (2, 204010414), (4, 102005207), (23, 17740036), (46, 8870018), (92, 4435009), (211, 1933748), (422, 966874), (844, 483437), (4853, 84076), (9706, 42038), (19412, 21019)]