257030934

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{709}}^1$

素因数の和:845

約数の個数: 64

約数和(自身を含む): 559457280

約数和(自身を除く): 302426346

約数列:

[1, 2, 3, 6, 23, 37, 46, 69, 71, 74, 111, 138, 142, 213, 222, 426, 709, 851, 1418, 1633, 1702, 2127, 2553, 2627, 3266, 4254, 4899, 5106, 5254, 7881, 9798, 15762, 16307, 26233, 32614, 48921, 50339, 52466, 60421, 78699, 97842, 100678, 120842, 151017, 157398, 181263, 302034, 362526, 603359, 1157797, 1206718, 1810077, 1862543, 2315594, 3473391, 3620154, 3725086, 5587629, 6946782, 11175258, 42838489, 85676978, 128515467, 257030934]

約数ペア:

[(1, 257030934), (2, 128515467), (3, 85676978), (6, 42838489), (23, 11175258), (37, 6946782), (46, 5587629), (69, 3725086), (71, 3620154), (74, 3473391), (111, 2315594), (138, 1862543), (142, 1810077), (213, 1206718), (222, 1157797), (426, 603359), (709, 362526), (851, 302034), (1418, 181263), (1633, 157398), (1702, 151017), (2127, 120842), (2553, 100678), (2627, 97842), (3266, 78699), (4254, 60421), (4899, 52466), (5106, 50339), (5254, 48921), (7881, 32614), (9798, 26233), (15762, 16307)]