12811205

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5417}}^1$

素因数の和:5476

約数の個数: 16

約数和(自身を含む): 17164224

約数和(自身を除く): 4353019

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 5417, 27085, 59587, 232931, 297935, 1164655, 2562241, 12811205]

約数ペア:

[(1, 12811205), (5, 2562241), (11, 1164655), (43, 297935), (55, 232931), (215, 59587), (473, 27085), (2365, 5417)]