40638657

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1\times {\mathrm{1861}}^1$

素因数の和:2144

約数の個数: 16

約数和(自身を含む): 56306880

約数和(自身を除く): 15668223

約数列:

[1, 3, 29, 87, 251, 753, 1861, 5583, 7279, 21837, 53969, 161907, 467111, 1401333, 13546219, 40638657]

約数ペア:

[(1, 40638657), (3, 13546219), (29, 1401333), (87, 467111), (251, 161907), (753, 53969), (1861, 21837), (5583, 7279)]