42131128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{2099}}^1$

素因数の和:2311

約数の個数: 32

約数和(自身を含む): 85554000

約数和(自身を除く): 43422872

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193, 386, 772, 1544, 2099, 2509, 4198, 5018, 8396, 10036, 16792, 20072, 27287, 54574, 109148, 218296, 405107, 810214, 1620428, 3240856, 5266391, 10532782, 21065564, 42131128]

約数ペア:

[(1, 42131128), (2, 21065564), (4, 10532782), (8, 5266391), (13, 3240856), (26, 1620428), (52, 810214), (104, 405107), (193, 218296), (386, 109148), (772, 54574), (1544, 27287), (2099, 20072), (2509, 16792), (4198, 10036), (5018, 8396)]