28193110

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{256301}}^1$

素因数の和:256319

約数の個数: 16

約数和(自身を含む): 55361232

約数和(自身を除く): 27168122

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 256301, 512602, 1281505, 2563010, 2819311, 5638622, 14096555, 28193110]

約数ペア:

[(1, 28193110), (2, 14096555), (5, 5638622), (10, 2819311), (11, 2563010), (22, 1281505), (55, 512602), (110, 256301)]