28216526690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{256513879}}^1$

素因数の和:256513897

約数の個数: 16

約数和(自身を含む): 55406998080

約数和(自身を除く): 27190471390

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 256513879, 513027758, 1282569395, 2565138790, 2821652669, 5643305338, 14108263345, 28216526690]

約数ペア:

[(1, 28216526690), (2, 14108263345), (5, 5643305338), (10, 2821652669), (11, 2565138790), (22, 1282569395), (55, 513027758), (110, 256513879)]