31131938

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{809}}^1$

素因数の和:1153

約数の個数: 16

約数和(自身を含む): 47589120

約数和(自身を除く): 16457182

約数列:

[1, 2, 71, 142, 271, 542, 809, 1618, 19241, 38482, 57439, 114878, 219239, 438478, 15565969, 31131938]

約数ペア:

[(1, 31131938), (2, 15565969), (71, 438478), (142, 219239), (271, 114878), (542, 57439), (809, 38482), (1618, 19241)]