12749555

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{4003}}^1$

素因数の和:4035

約数の個数: 24

約数和(自身を含む): 19171152

約数和(自身を除く): 6421597

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 4003, 20015, 28021, 52039, 140105, 196147, 260195, 364273, 980735, 1821365, 2549911, 12749555]

約数ペア:

[(1, 12749555), (5, 2549911), (7, 1821365), (13, 980735), (35, 364273), (49, 260195), (65, 196147), (91, 140105), (245, 52039), (455, 28021), (637, 20015), (3185, 4003)]