389639564

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{997}}^1\times {\mathrm{2383}}^1$

素因数の和:3425

約数の個数: 24

約数和(自身を含む): 699494208

約数和(自身を除く): 309854644

約数列:

[1, 2, 4, 41, 82, 164, 997, 1994, 2383, 3988, 4766, 9532, 40877, 81754, 97703, 163508, 195406, 390812, 2375851, 4751702, 9503404, 97409891, 194819782, 389639564]

約数ペア:

[(1, 389639564), (2, 194819782), (4, 97409891), (41, 9503404), (82, 4751702), (164, 2375851), (997, 390812), (1994, 195406), (2383, 163508), (3988, 97703), (4766, 81754), (9532, 40877)]