12807665

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{659}}^1$

素因数の和:713

約数の個数: 24

約数和(自身を含む): 17392320

約数和(自身を除く): 4584655

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 659, 845, 1495, 3295, 3887, 8567, 15157, 19435, 42835, 75785, 111371, 197041, 556855, 985205, 2561533, 12807665]

約数ペア:

[(1, 12807665), (5, 2561533), (13, 985205), (23, 556855), (65, 197041), (115, 111371), (169, 75785), (299, 42835), (659, 19435), (845, 15157), (1495, 8567), (3295, 3887)]