90387284

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{133709}}^1$

素因数の和:133739

約数の個数: 18

約数和(自身を含む): 171282510

約数和(自身を除く): 80895226

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 133709, 267418, 534836, 1738217, 3476434, 6952868, 22596821, 45193642, 90387284]

約数ペア:

[(1, 90387284), (2, 45193642), (4, 22596821), (13, 6952868), (26, 3476434), (52, 1738217), (169, 534836), (338, 267418), (676, 133709)]