31319662

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20051}}^1$

素因数の和:20135

約数の個数: 16

約数和(自身を含む): 51974784

約数和(自身を除く): 20655122

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 20051, 40102, 220561, 441122, 1423621, 2847242, 15659831, 31319662]

約数ペア:

[(1, 31319662), (2, 15659831), (11, 2847242), (22, 1423621), (71, 441122), (142, 220561), (781, 40102), (1562, 20051)]