12509815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{601}}^1$

素因数の和:810

約数の個数: 16

約数和(自身を含む): 15777216

約数和(自身を除く): 3267401

約数列:

[1, 5, 23, 115, 181, 601, 905, 3005, 4163, 13823, 20815, 69115, 108781, 543905, 2501963, 12509815]

約数ペア:

[(1, 12509815), (5, 2501963), (23, 543905), (115, 108781), (181, 69115), (601, 20815), (905, 13823), (3005, 4163)]