90315290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{53441}}^1$

素因数の和:53474

約数の個数: 24

約数和(自身を含む): 176037948

約数和(自身を除く): 85722658

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 53441, 106882, 267205, 534410, 694733, 1389466, 3473665, 6947330, 9031529, 18063058, 45157645, 90315290]

約数ペア:

[(1, 90315290), (2, 45157645), (5, 18063058), (10, 9031529), (13, 6947330), (26, 3473665), (65, 1389466), (130, 694733), (169, 534410), (338, 267205), (845, 106882), (1690, 53441)]