131318710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{45439}}^1$

素因数の和:45480

約数の個数: 24

約数和(自身を含む): 251101440

約数和(自身を除く): 119782730

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 45439, 90878, 227195, 454390, 772463, 1544926, 3862315, 7724630, 13131871, 26263742, 65659355, 131318710]

約数ペア:

[(1, 131318710), (2, 65659355), (5, 26263742), (10, 13131871), (17, 7724630), (34, 3862315), (85, 1544926), (170, 772463), (289, 454390), (578, 227195), (1445, 90878), (2890, 45439)]