90457810

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{997}}^1$

素因数の和:1258

約数の個数: 32

約数和(自身を含む): 167568192

約数和(自身を除く): 77110382

約数列:

[1, 2, 5, 10, 43, 86, 211, 215, 422, 430, 997, 1055, 1994, 2110, 4985, 9073, 9970, 18146, 42871, 45365, 85742, 90730, 210367, 214355, 420734, 428710, 1051835, 2103670, 9045781, 18091562, 45228905, 90457810]

約数ペア:

[(1, 90457810), (2, 45228905), (5, 18091562), (10, 9045781), (43, 2103670), (86, 1051835), (211, 428710), (215, 420734), (422, 214355), (430, 210367), (997, 90730), (1055, 85742), (1994, 45365), (2110, 42871), (4985, 18146), (9073, 9970)]