12658945

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:313

約数の個数: 24

約数和(自身を含む): 16759872

約数和(自身を除く): 4100927

約数列:

[1, 5, 13, 65, 71, 169, 211, 355, 845, 923, 1055, 2743, 4615, 11999, 13715, 14981, 35659, 59995, 74905, 178295, 194753, 973765, 2531789, 12658945]

約数ペア:

[(1, 12658945), (5, 2531789), (13, 973765), (65, 194753), (71, 178295), (169, 74905), (211, 59995), (355, 35659), (845, 14981), (923, 13715), (1055, 11999), (2743, 4615)]