818265890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{484181}}^1$

素因数の和:484214

約数の個数: 24

約数和(自身を含む): 1594895508

約数和(自身を除く): 776629618

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 484181, 968362, 2420905, 4841810, 6294353, 12588706, 31471765, 62943530, 81826589, 163653178, 409132945, 818265890]

約数ペア:

[(1, 818265890), (2, 409132945), (5, 163653178), (10, 81826589), (13, 62943530), (26, 31471765), (65, 12588706), (130, 6294353), (169, 4841810), (338, 2420905), (845, 968362), (1690, 484181)]