12939955

素因数分解:

$5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{809}}^1$

素因数の和:1278

約数の個数: 16

約数和(自身を含む): 17807040

約数和(自身を除く): 4867085

約数列:

[1, 5, 7, 35, 457, 809, 2285, 3199, 4045, 5663, 15995, 28315, 369713, 1848565, 2587991, 12939955]

約数ペア:

[(1, 12939955), (5, 2587991), (7, 1848565), (35, 369713), (457, 28315), (809, 15995), (2285, 5663), (3199, 4045)]