31318930

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{10837}}^1$

素因数の和:10878

約数の個数: 24

約数和(自身を含む): 59890788

約数和(自身を除く): 28571858

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 289, 578, 1445, 2890, 10837, 21674, 54185, 108370, 184229, 368458, 921145, 1842290, 3131893, 6263786, 15659465, 31318930]

約数ペア:

[(1, 31318930), (2, 15659465), (5, 6263786), (10, 3131893), (17, 1842290), (34, 921145), (85, 368458), (170, 184229), (289, 108370), (578, 54185), (1445, 21674), (2890, 10837)]