319899710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{144751}}^1$

素因数の和:144788

約数の個数: 32

約数和(自身を含む): 656595072

約数和(自身を除く): 336695362

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 144751, 289502, 723755, 1447510, 1881763, 2460767, 3763526, 4921534, 9408815, 12303835, 18817630, 24607670, 31989971, 63979942, 159949855, 319899710]

約数ペア:

[(1, 319899710), (2, 159949855), (5, 63979942), (10, 31989971), (13, 24607670), (17, 18817630), (26, 12303835), (34, 9408815), (65, 4921534), (85, 3763526), (130, 2460767), (170, 1881763), (221, 1447510), (442, 723755), (1105, 289502), (2210, 144751)]