28355305

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{3709}}^1$

素因数の和:3864

約数の個数: 16

約数和(自身を含む): 37396800

約数和(自身を除く): 9041495

約数列:

[1, 5, 11, 55, 139, 695, 1529, 3709, 7645, 18545, 40799, 203995, 515551, 2577755, 5671061, 28355305]

約数ペア:

[(1, 28355305), (5, 5671061), (11, 2577755), (55, 515551), (139, 203995), (695, 40799), (1529, 18545), (3709, 7645)]