2017795

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{839}}^1$

素因数の和:894

約数の個数: 16

約数和(自身を含む): 2681280

約数和(自身を除く): 663485

約数列:

[1, 5, 13, 37, 65, 185, 481, 839, 2405, 4195, 10907, 31043, 54535, 155215, 403559, 2017795]

約数ペア:

[(1, 2017795), (5, 403559), (13, 155215), (37, 54535), (65, 31043), (185, 10907), (481, 4195), (839, 2405)]