87081644

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{128819}}^1$

素因数の和:128849

約数の個数: 18

約数和(自身を含む): 165018420

約数和(自身を除く): 77936776

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 128819, 257638, 515276, 1674647, 3349294, 6698588, 21770411, 43540822, 87081644]

約数ペア:

[(1, 87081644), (2, 43540822), (4, 21770411), (13, 6698588), (26, 3349294), (52, 1674647), (169, 515276), (338, 257638), (676, 128819)]