12249985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3137}}^1$

素因数の和:3224

約数の個数: 16

約数和(自身を含む): 16267392

約数和(自身を除く): 4017407

約数列:

[1, 5, 11, 55, 71, 355, 781, 3137, 3905, 15685, 34507, 172535, 222727, 1113635, 2449997, 12249985]

約数ペア:

[(1, 12249985), (5, 2449997), (11, 1113635), (55, 222727), (71, 172535), (355, 34507), (781, 15685), (3137, 3905)]