12856555439

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{488861}}^1$

素因数の和:488915

約数の個数: 24

約数和(自身を含む): 16809031008

約数和(自身を除く): 3952475569

約数列:

[1, 7, 13, 17, 91, 119, 221, 289, 1547, 2023, 3757, 26299, 488861, 3422027, 6355193, 8310637, 44486351, 58174459, 108038281, 141280829, 756267967, 988965803, 1836650777, 12856555439]

約数ペア:

[(1, 12856555439), (7, 1836650777), (13, 988965803), (17, 756267967), (91, 141280829), (119, 108038281), (221, 58174459), (289, 44486351), (1547, 8310637), (2023, 6355193), (3757, 3422027), (26299, 488861)]