12861205

素因数分解:

$5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{877}}^1$

素因数の和:1308

約数の個数: 16

約数和(自身を含む): 17700480

約数和(自身を除く): 4839275

約数列:

[1, 5, 7, 35, 419, 877, 2095, 2933, 4385, 6139, 14665, 30695, 367463, 1837315, 2572241, 12861205]

約数ペア:

[(1, 12861205), (5, 2572241), (7, 1837315), (35, 367463), (419, 30695), (877, 14665), (2095, 6139), (2933, 4385)]