51681454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{20789}}^1$

素因数の和:20915

約数の個数: 16

約数和(自身を含む): 85322160

約数和(自身を除く): 33640706

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 20789, 41578, 228679, 457358, 2349157, 4698314, 25840727, 51681454]

約数ペア:

[(1, 51681454), (2, 25840727), (11, 4698314), (22, 2349157), (113, 457358), (226, 228679), (1243, 41578), (2486, 20789)]