87561604

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{129529}}^1$

素因数の和:129559

約数の個数: 18

約数和(自身を含む): 165927930

約数和(自身を除く): 78366326

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 129529, 259058, 518116, 1683877, 3367754, 6735508, 21890401, 43780802, 87561604]

約数ペア:

[(1, 87561604), (2, 43780802), (4, 21890401), (13, 6735508), (26, 3367754), (52, 1683877), (169, 518116), (338, 259058), (676, 129529)]