12487216

素因数分解:

$2^4\times 7^1\times {\mathrm{111493}}^1$

素因数の和:111508

約数の個数: 20

約数和(自身を含む): 27650512

約数和(自身を除く): 15163296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 111493, 222986, 445972, 780451, 891944, 1560902, 1783888, 3121804, 6243608, 12487216]

約数ペア:

[(1, 12487216), (2, 6243608), (4, 3121804), (7, 1783888), (8, 1560902), (14, 891944), (16, 780451), (28, 445972), (56, 222986), (112, 111493)]