661265876

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{601}}^1\times {\mathrm{6709}}^1$

素因数の和:7355

約数の個数: 24

約数和(自身を含む): 1187589480

約数和(自身を除く): 526323604

約数列:

[1, 2, 4, 41, 82, 164, 601, 1202, 2404, 6709, 13418, 24641, 26836, 49282, 98564, 275069, 550138, 1100276, 4032109, 8064218, 16128436, 165316469, 330632938, 661265876]

約数ペア:

[(1, 661265876), (2, 330632938), (4, 165316469), (41, 16128436), (82, 8064218), (164, 4032109), (601, 1100276), (1202, 550138), (2404, 275069), (6709, 98564), (13418, 49282), (24641, 26836)]