81307324

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67531}}^1$

素因数の和:67585

約数の個数: 24

約数和(自身を含む): 166398848

約数和(自身を除く): 85091524

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 67531, 135062, 270124, 472717, 945434, 1890868, 2903833, 5807666, 11615332, 20326831, 40653662, 81307324]

約数ペア:

[(1, 81307324), (2, 40653662), (4, 20326831), (7, 11615332), (14, 5807666), (28, 2903833), (43, 1890868), (86, 945434), (172, 472717), (301, 270124), (602, 135062), (1204, 67531)]