144420185

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18671}}^1$

素因数の和:18713

約数の個数: 32

約数和(自身を含む): 225856512

約数和(自身を除く): 81436327

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 455, 595, 1105, 1547, 7735, 18671, 93355, 130697, 242723, 317407, 653485, 1213615, 1587035, 1699061, 2221849, 4126291, 8495305, 11109245, 20631455, 28884037, 144420185]

約数ペア:

[(1, 144420185), (5, 28884037), (7, 20631455), (13, 11109245), (17, 8495305), (35, 4126291), (65, 2221849), (85, 1699061), (91, 1587035), (119, 1213615), (221, 653485), (455, 317407), (595, 242723), (1105, 130697), (1547, 93355), (7735, 18671)]