12458395

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{659}}^1$

素因数の和:882

約数の個数: 16

約数和(自身を含む): 15840000

約数和(自身を除く): 3381605

約数列:

[1, 5, 19, 95, 199, 659, 995, 3295, 3781, 12521, 18905, 62605, 131141, 655705, 2491679, 12458395]

約数ペア:

[(1, 12458395), (5, 2491679), (19, 655705), (95, 131141), (199, 62605), (659, 18905), (995, 12521), (3295, 3781)]