81176905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{4549}}^1$

素因数の和:4680

約数の個数: 16

約数和(自身を含む): 100900800

約数和(自身を除く): 19723895

約数列:

[1, 5, 43, 83, 215, 415, 3569, 4549, 17845, 22745, 195607, 377567, 978035, 1887835, 16235381, 81176905]

約数ペア:

[(1, 81176905), (5, 16235381), (43, 1887835), (83, 978035), (215, 377567), (415, 195607), (3569, 22745), (4549, 17845)]