2019989279

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{857}}^1\times {\mathrm{4373}}^1$

素因数の和:5255

約数の個数: 24

約数和(自身を含む): 2566978128

約数和(自身を除く): 546988849

約数列:

[1, 7, 11, 49, 77, 539, 857, 4373, 5999, 9427, 30611, 41993, 48103, 65989, 214277, 336721, 461923, 2357047, 3747661, 26233627, 41224271, 183635389, 288569897, 2019989279]

約数ペア:

[(1, 2019989279), (7, 288569897), (11, 183635389), (49, 41224271), (77, 26233627), (539, 3747661), (857, 2357047), (4373, 461923), (5999, 336721), (9427, 214277), (30611, 65989), (41993, 48103)]