12991310

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{8719}}^1$

素因数の和:8875

約数の個数: 16

約数和(自身を含む): 23544000

約数和(自身を除く): 10552690

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 8719, 17438, 43595, 87190, 1299131, 2598262, 6495655, 12991310]

約数ペア:

[(1, 12991310), (2, 6495655), (5, 2598262), (10, 1299131), (149, 87190), (298, 43595), (745, 17438), (1490, 8719)]