858503893

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{27947}}^1$

素因数の和:28116

約数の個数: 16

約数和(自身を含む): 986005440

約数和(自身を除く): 127501547

約数列:

[1, 13, 17, 139, 221, 1807, 2363, 27947, 30719, 363311, 475099, 3884633, 6176287, 50500229, 66038761, 858503893]

約数ペア:

[(1, 858503893), (13, 66038761), (17, 50500229), (139, 6176287), (221, 3884633), (1807, 475099), (2363, 363311), (27947, 30719)]