165317828

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{244553}}^1$

素因数の和:244583

約数の個数: 18

約数和(自身を含む): 313273674

約数和(自身を除く): 147955846

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 244553, 489106, 978212, 3179189, 6358378, 12716756, 41329457, 82658914, 165317828]

約数ペア:

[(1, 165317828), (2, 82658914), (4, 41329457), (13, 12716756), (26, 6358378), (52, 3179189), (169, 978212), (338, 489106), (676, 244553)]