428710

素因数分解:

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

素因数の和:1047

約数の個数: 16

約数和(自身を含む): 790416

約数和(自身を除く): 361706

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 997, 1994, 4985, 9970, 42871, 85742, 214355, 428710]

約数ペア:

[(1, 428710), (2, 214355), (5, 85742), (10, 42871), (43, 9970), (86, 4985), (215, 1994), (430, 997)]