2009665295

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{514639}}^1$

素因数の和:514726

約数の個数: 16

約数和(自身を含む): 2667893760

約数和(自身を除く): 658228465

約数列:

[1, 5, 11, 55, 71, 355, 781, 3905, 514639, 2573195, 5661029, 28305145, 36539369, 182696845, 401933059, 2009665295]

約数ペア:

[(1, 2009665295), (5, 401933059), (11, 182696845), (55, 36539369), (71, 28305145), (355, 5661029), (781, 2573195), (3905, 514639)]