28080000004

素因数分解:

$2^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{5196151}}^1$

素因数の和:5196355

約数の個数: 24

約数和(自身を含む): 56450995328

約数和(自身を除く): 28370995324

約数列:

[1, 2, 4, 7, 14, 28, 193, 386, 772, 1351, 2702, 5404, 5196151, 10392302, 20784604, 36373057, 72746114, 145492228, 1002857143, 2005714286, 4011428572, 7020000001, 14040000002, 28080000004]

約数ペア:

[(1, 28080000004), (2, 14040000002), (4, 7020000001), (7, 4011428572), (14, 2005714286), (28, 1002857143), (193, 145492228), (386, 72746114), (772, 36373057), (1351, 20784604), (2702, 10392302), (5404, 5196151)]