221617551208

素因数分解:

$2^3\times {\mathrm{139}}^1\times {\mathrm{199296359}}^1$

素因数の和:199296504

約数の個数: 16

約数和(自身を含む): 418522356000

約数和(自身を除く): 196904804792

約数列:

[1, 2, 4, 8, 139, 278, 556, 1112, 199296359, 398592718, 797185436, 1594370872, 27702193901, 55404387802, 110808775604, 221617551208]

約数ペア:

[(1, 221617551208), (2, 110808775604), (4, 55404387802), (8, 27702193901), (139, 1594370872), (278, 797185436), (556, 398592718), (1112, 199296359)]