12909505

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{3581}}^1$

素因数の和:3696

約数の個数: 16

約数和(自身を含む): 17881344

約数和(自身を除く): 4971839

約数列:

[1, 5, 7, 35, 103, 515, 721, 3581, 3605, 17905, 25067, 125335, 368843, 1844215, 2581901, 12909505]

約数ペア:

[(1, 12909505), (5, 2581901), (7, 1844215), (35, 368843), (103, 125335), (515, 25067), (721, 17905), (3581, 3605)]