31931966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{20443}}^1$

素因数の和:20527

約数の個数: 16

約数和(自身を含む): 52990848

約数和(自身を除く): 21058882

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 20443, 40886, 224873, 449746, 1451453, 2902906, 15965983, 31931966]

約数ペア:

[(1, 31931966), (2, 15965983), (11, 2902906), (22, 1451453), (71, 449746), (142, 224873), (781, 40886), (1562, 20443)]