520057421

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{21589}}^1$

素因数の和:21728

約数の個数: 16

約数和(自身を含む): 598474800

約数和(自身を除く): 78417379

約数列:

[1, 13, 17, 109, 221, 1417, 1853, 21589, 24089, 280657, 367013, 2353201, 4771169, 30591613, 40004417, 520057421]

約数ペア:

[(1, 520057421), (13, 40004417), (17, 30591613), (109, 4771169), (221, 2353201), (1417, 367013), (1853, 280657), (21589, 24089)]