81694444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{727}}^1\times {\mathrm{2161}}^1$

素因数の和:2905

約数の個数: 24

約数和(自身を含む): 154245728

約数和(自身を除く): 72551284

約数列:

[1, 2, 4, 13, 26, 52, 727, 1454, 2161, 2908, 4322, 8644, 9451, 18902, 28093, 37804, 56186, 112372, 1571047, 3142094, 6284188, 20423611, 40847222, 81694444]

約数ペア:

[(1, 81694444), (2, 40847222), (4, 20423611), (13, 6284188), (26, 3142094), (52, 1571047), (727, 112372), (1454, 56186), (2161, 37804), (2908, 28093), (4322, 18902), (8644, 9451)]