12638672

素因数分解:

$2^4\times {\mathrm{499}}^1\times {\mathrm{1583}}^1$

素因数の和:2090

約数の個数: 20

約数和(自身を含む): 24552000

約数和(自身を除く): 11913328

約数列:

[1, 2, 4, 8, 16, 499, 998, 1583, 1996, 3166, 3992, 6332, 7984, 12664, 25328, 789917, 1579834, 3159668, 6319336, 12638672]

約数ペア:

[(1, 12638672), (2, 6319336), (4, 3159668), (8, 1579834), (16, 789917), (499, 25328), (998, 12664), (1583, 7984), (1996, 6332), (3166, 3992)]