31131086

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{31319}}^1$

素因数の和:31399

約数の個数: 16

約数和(自身を含む): 54120960

約数和(自身を除く): 22989874

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 31319, 62638, 219233, 438466, 2223649, 4447298, 15565543, 31131086]

約数ペア:

[(1, 31131086), (2, 15565543), (7, 4447298), (14, 2223649), (71, 438466), (142, 219233), (497, 62638), (994, 31319)]