31128517

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{5443}}^1$

素因数の和:5512

約数の個数: 16

約数和(自身を含む): 38325760

約数和(自身を除く): 7197243

約数列:

[1, 7, 19, 43, 133, 301, 817, 5443, 5719, 38101, 103417, 234049, 723919, 1638343, 4446931, 31128517]

約数ペア:

[(1, 31128517), (7, 4446931), (19, 1638343), (43, 723919), (133, 234049), (301, 103417), (817, 38101), (5443, 5719)]