25647778

素因数分解:

$2^1\times {\mathrm{13}}^4\times {\mathrm{449}}^1$

素因数の和:503

約数の個数: 20

約数和(自身を含む): 41770350

約数和(自身を除く): 16122572

約数列:

[1, 2, 13, 26, 169, 338, 449, 898, 2197, 4394, 5837, 11674, 28561, 57122, 75881, 151762, 986453, 1972906, 12823889, 25647778]

約数ペア:

[(1, 25647778), (2, 12823889), (13, 1972906), (26, 986453), (169, 151762), (338, 75881), (449, 57122), (898, 28561), (2197, 11674), (4394, 5837)]