12988990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{185557}}^1$

素因数の和:185571

約数の個数: 16

約数和(自身を含む): 26720352

約数和(自身を除く): 13731362

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 185557, 371114, 927785, 1298899, 1855570, 2597798, 6494495, 12988990]

約数ペア:

[(1, 12988990), (2, 6494495), (5, 2597798), (7, 1855570), (10, 1298899), (14, 927785), (35, 371114), (70, 185557)]