80640434

素因数分解:

$2^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{18521}}^1$

素因数の和:18841

約数の個数: 16

約数和(自身を含む): 138692736

約数和(自身を除く): 58052302

約数列:

[1, 2, 7, 14, 311, 622, 2177, 4354, 18521, 37042, 129647, 259294, 5760031, 11520062, 40320217, 80640434]

約数ペア:

[(1, 80640434), (2, 40320217), (7, 11520062), (14, 5760031), (311, 259294), (622, 129647), (2177, 37042), (4354, 18521)]