289149985

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{4093}}^1$

素因数の和:4368

約数の個数: 16

約数和(自身を含む): 353721600

約数和(自身を除く): 64571615

約数列:

[1, 5, 71, 199, 355, 995, 4093, 14129, 20465, 70645, 290603, 814507, 1453015, 4072535, 57829997, 289149985]

約数ペア:

[(1, 289149985), (5, 57829997), (71, 4072535), (199, 1453015), (355, 814507), (995, 290603), (4093, 70645), (14129, 20465)]