521103388

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{770863}}^1$

素因数の和:770893

約数の個数: 18

約数和(自身を含む): 987476784

約数和(自身を除く): 466373396

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 770863, 1541726, 3083452, 10021219, 20042438, 40084876, 130275847, 260551694, 521103388]

約数ペア:

[(1, 521103388), (2, 260551694), (4, 130275847), (13, 40084876), (26, 20042438), (52, 10021219), (169, 3083452), (338, 1541726), (676, 770863)]