290420588

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{4270891}}^1$

素因数の和:4270912

約数の個数: 12

約数和(自身を含む): 538132392

約数和(自身を除く): 247711804

約数列:

[1, 2, 4, 17, 34, 68, 4270891, 8541782, 17083564, 72605147, 145210294, 290420588]

約数ペア:

[(1, 290420588), (2, 145210294), (4, 72605147), (17, 17083564), (34, 8541782), (68, 4270891)]