640680396

素因数分解:

$2^2\times 3^1\times {\mathrm{4423}}^1\times {\mathrm{12071}}^1$

素因数の和:16501

約数の個数: 24

約数和(自身を含む): 1495382784

約数和(自身を除く): 854702388

約数列:

[1, 2, 3, 4, 6, 12, 4423, 8846, 12071, 13269, 17692, 24142, 26538, 36213, 48284, 53076, 72426, 144852, 53390033, 106780066, 160170099, 213560132, 320340198, 640680396]

約数ペア:

[(1, 640680396), (2, 320340198), (3, 213560132), (4, 160170099), (6, 106780066), (12, 53390033), (4423, 144852), (8846, 72426), (12071, 53076), (13269, 48284), (17692, 36213), (24142, 26538)]