55528590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{142381}}^1$

素因数の和:142404

約数の個数: 32

約数和(自身を含む): 143521056

約数和(自身を除く): 87992466

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 142381, 284762, 427143, 711905, 854286, 1423810, 1850953, 2135715, 3701906, 4271430, 5552859, 9254765, 11105718, 18509530, 27764295, 55528590]

約数ペア:

[(1, 55528590), (2, 27764295), (3, 18509530), (5, 11105718), (6, 9254765), (10, 5552859), (13, 4271430), (15, 3701906), (26, 2135715), (30, 1850953), (39, 1423810), (65, 854286), (78, 711905), (130, 427143), (195, 284762), (390, 142381)]