81163588

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{17909}}^1$

素因数の和:18027

約数の個数: 24

約数和(自身を含む): 156461760

約数和(自身を除く): 75298172

約数列:

[1, 2, 4, 11, 22, 44, 103, 206, 412, 1133, 2266, 4532, 17909, 35818, 71636, 196999, 393998, 787996, 1844627, 3689254, 7378508, 20290897, 40581794, 81163588]

約数ペア:

[(1, 81163588), (2, 40581794), (4, 20290897), (11, 7378508), (22, 3689254), (44, 1844627), (103, 787996), (206, 393998), (412, 196999), (1133, 71636), (2266, 35818), (4532, 17909)]