87604868

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{129593}}^1$

素因数の和:129623

約数の個数: 18

約数和(自身を含む): 166009914

約数和(自身を除く): 78405046

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 129593, 259186, 518372, 1684709, 3369418, 6738836, 21901217, 43802434, 87604868]

約数ペア:

[(1, 87604868), (2, 43802434), (4, 21901217), (13, 6738836), (26, 3369418), (52, 1684709), (169, 518372), (338, 259186), (676, 129593)]