55278509

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{22739}}^1$

素因数の和:22780

約数の個数: 16

約数和(自身を含む): 68765760

約数和(自身を除く): 13487251

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 22739, 250129, 295607, 386563, 3251677, 4252193, 5025319, 55278509]

約数ペア:

[(1, 55278509), (11, 5025319), (13, 4252193), (17, 3251677), (143, 386563), (187, 295607), (221, 250129), (2431, 22739)]