489657985

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{47}}^2\times {\mathrm{1031}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 614915136

約数和(自身を除く): 125257151

約数列:

[1, 5, 43, 47, 215, 235, 1031, 2021, 2209, 5155, 10105, 11045, 44333, 48457, 94987, 221665, 242285, 474935, 2083651, 2277479, 10418255, 11387395, 97931597, 489657985]

約数ペア:

[(1, 489657985), (5, 97931597), (43, 11387395), (47, 10418255), (215, 2277479), (235, 2083651), (1031, 474935), (2021, 242285), (2209, 221665), (5155, 94987), (10105, 48457), (11045, 44333)]