28239095

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{199}}^1\times {\mathrm{281}}^1$

素因数の和:586

約数の個数: 16

約数和(自身を含む): 34516800

約数和(自身を除く): 6277705

約数列:

[1, 5, 101, 199, 281, 505, 995, 1405, 20099, 28381, 55919, 100495, 141905, 279595, 5647819, 28239095]

約数ペア:

[(1, 28239095), (5, 5647819), (101, 279595), (199, 141905), (281, 100495), (505, 55919), (995, 28381), (1405, 20099)]