290494945

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{14947}}^1$

素因数の和:15001

約数の個数: 24

約数和(自身を含む): 393909696

約数和(自身を除く): 103414751

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 845, 1495, 3887, 14947, 19435, 74735, 194311, 343781, 971555, 1718905, 2526043, 4469153, 12630215, 22345765, 58098989, 290494945]

約数ペア:

[(1, 290494945), (5, 58098989), (13, 22345765), (23, 12630215), (65, 4469153), (115, 2526043), (169, 1718905), (299, 971555), (845, 343781), (1495, 194311), (3887, 74735), (14947, 19435)]