2189571454

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2563901}}^1$

素因数の和:2563971

約数の個数: 16

約数和(自身を含む): 3815086176

約数和(自身を除く): 1625514722

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 2563901, 5127802, 17947307, 35894614, 156397961, 312795922, 1094785727, 2189571454]

約数ペア:

[(1, 2189571454), (2, 1094785727), (7, 312795922), (14, 156397961), (61, 35894614), (122, 17947307), (427, 5127802), (854, 2563901)]