2808689

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 3265920

約数和(自身を除く): 457231

約数列:

[1, 13, 17, 71, 179, 221, 923, 1207, 2327, 3043, 12709, 15691, 39559, 165217, 216053, 2808689]

約数ペア:

[(1, 2808689), (13, 216053), (17, 165217), (71, 39559), (179, 15691), (221, 12709), (923, 3043), (1207, 2327)]