128493911

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{2311}}^1$

素因数の和:2391

約数の個数: 24

約数和(自身を含む): 162468864

約数和(自身を除く): 33974953

約数列:

[1, 7, 13, 47, 91, 169, 329, 611, 1183, 2311, 4277, 7943, 16177, 30043, 55601, 108617, 210301, 390559, 760319, 1412021, 2733913, 9884147, 18356273, 128493911]

約数ペア:

[(1, 128493911), (7, 18356273), (13, 9884147), (47, 2733913), (91, 1412021), (169, 760319), (329, 390559), (611, 210301), (1183, 108617), (2311, 55601), (4277, 30043), (7943, 16177)]