16864289

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{557}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 19405008

約数和(自身を除く): 2540719

約数列:

[1, 13, 17, 137, 221, 557, 1781, 2329, 7241, 9469, 30277, 76309, 123097, 992017, 1297253, 16864289]

約数ペア:

[(1, 16864289), (13, 1297253), (17, 992017), (137, 123097), (221, 76309), (557, 30277), (1781, 9469), (2329, 7241)]