9781812464

素因数分解:

$2^4\times {\mathrm{1279}}^1\times {\mathrm{478001}}^1$

素因数の和:479288

約数の個数: 20

約数和(自身を含む): 18967119360

約数和(自身を除く): 9185306896

約数列:

[1, 2, 4, 8, 16, 1279, 2558, 5116, 10232, 20464, 478001, 956002, 1912004, 3824008, 7648016, 611363279, 1222726558, 2445453116, 4890906232, 9781812464]

約数ペア:

[(1, 9781812464), (2, 4890906232), (4, 2445453116), (8, 1222726558), (16, 611363279), (1279, 7648016), (2558, 3824008), (5116, 1912004), (10232, 956002), (20464, 478001)]