401305247

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1999}}^1$

素因数の和:2271

約数の個数: 24

約数和(自身を含む): 496584000

約数和(自身を除く): 95278753

約数列:

[1, 7, 17, 49, 119, 241, 833, 1687, 1999, 4097, 11809, 13993, 28679, 33983, 97951, 200753, 237881, 481759, 1665167, 3372313, 8189903, 23606191, 57329321, 401305247]

約数ペア:

[(1, 401305247), (7, 57329321), (17, 23606191), (49, 8189903), (119, 3372313), (241, 1665167), (833, 481759), (1687, 237881), (1999, 200753), (4097, 97951), (11809, 33983), (13993, 28679)]