12639956

素因数分解:

$2^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{2339}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 25421760

約数和(自身を除く): 12781804

約数列:

[1, 2, 4, 7, 14, 28, 193, 386, 772, 1351, 2339, 2702, 4678, 5404, 9356, 16373, 32746, 65492, 451427, 902854, 1805708, 3159989, 6319978, 12639956]

約数ペア:

[(1, 12639956), (2, 6319978), (4, 3159989), (7, 1805708), (14, 902854), (28, 451427), (193, 65492), (386, 32746), (772, 16373), (1351, 9356), (2339, 5404), (2702, 4678)]