172859284

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{255709}}^1$

素因数の和:255739

約数の個数: 18

約数和(自身を含む): 327564510

約数和(自身を除く): 154705226

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 255709, 511418, 1022836, 3324217, 6648434, 13296868, 43214821, 86429642, 172859284]

約数ペア:

[(1, 172859284), (2, 86429642), (4, 43214821), (13, 13296868), (26, 6648434), (52, 3324217), (169, 1022836), (338, 511418), (676, 255709)]