28128113

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{433}}^1$

素因数の和:728

約数の個数: 16

約数和(自身を含む): 32081280

約数和(自身を除く): 3953167

約数列:

[1, 13, 19, 247, 263, 433, 3419, 4997, 5629, 8227, 64961, 106951, 113879, 1480427, 2163701, 28128113]

約数ペア:

[(1, 28128113), (13, 2163701), (19, 1480427), (247, 113879), (263, 106951), (433, 64961), (3419, 8227), (4997, 5629)]