28688390

素因数分解:

$2^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{7817}}^1$

素因数の和:8191

約数の個数: 16

約数和(自身を含む): 51786432

約数和(自身を除く): 23098042

約数列:

[1, 2, 5, 10, 367, 734, 1835, 3670, 7817, 15634, 39085, 78170, 2868839, 5737678, 14344195, 28688390]

約数ペア:

[(1, 28688390), (2, 14344195), (5, 5737678), (10, 2868839), (367, 78170), (734, 39085), (1835, 15634), (3670, 7817)]