258567088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1243111}}^1$

素因数の和:1243132

約数の個数: 20

約数和(自身を含む): 539510608

約数和(自身を除く): 280943520

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1243111, 2486222, 4972444, 9944888, 16160443, 19889776, 32320886, 64641772, 129283544, 258567088]

約数ペア:

[(1, 258567088), (2, 129283544), (4, 64641772), (8, 32320886), (13, 19889776), (16, 16160443), (26, 9944888), (52, 4972444), (104, 2486222), (208, 1243111)]