255662043

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2143}}^1$

素因数の和:2208

約数の個数: 64

約数和(自身を含む): 461045760

約数和(自身を除く): 205383717

約数列:

[1, 3, 7, 13, 19, 21, 23, 39, 57, 69, 91, 133, 161, 247, 273, 299, 399, 437, 483, 741, 897, 1311, 1729, 2093, 2143, 3059, 5187, 5681, 6279, 6429, 9177, 15001, 17043, 27859, 39767, 40717, 45003, 49289, 83577, 119301, 122151, 147867, 195013, 285019, 345023, 529321, 585039, 640757, 855057, 936491, 1035069, 1587963, 1922271, 2809473, 3705247, 4485299, 6555437, 11115741, 12174383, 13455897, 19666311, 36523149, 85220681, 255662043]

約数ペア:

[(1, 255662043), (3, 85220681), (7, 36523149), (13, 19666311), (19, 13455897), (21, 12174383), (23, 11115741), (39, 6555437), (57, 4485299), (69, 3705247), (91, 2809473), (133, 1922271), (161, 1587963), (247, 1035069), (273, 936491), (299, 855057), (399, 640757), (437, 585039), (483, 529321), (741, 345023), (897, 285019), (1311, 195013), (1729, 147867), (2093, 122151), (2143, 119301), (3059, 83577), (5187, 49289), (5681, 45003), (6279, 40717), (6429, 39767), (9177, 27859), (15001, 17043)]