42172390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{324403}}^1$

素因数の和:324423

約数の個数: 16

約数和(自身を含む): 81749808

約数和(自身を除く): 39577418

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 324403, 648806, 1622015, 3244030, 4217239, 8434478, 21086195, 42172390]

約数ペア:

[(1, 42172390), (2, 21086195), (5, 8434478), (10, 4217239), (13, 3244030), (26, 1622015), (65, 648806), (130, 324403)]