25721454

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:597

約数の個数: 48

約数和(自身を含む): 57456000

約数和(自身を除く): 31734546

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 71, 121, 142, 213, 242, 363, 426, 499, 726, 781, 998, 1497, 1562, 2343, 2994, 4686, 5489, 8591, 10978, 16467, 17182, 25773, 32934, 35429, 51546, 60379, 70858, 106287, 120758, 181137, 212574, 362274, 389719, 779438, 1169157, 2338314, 4286909, 8573818, 12860727, 25721454]

約数ペア:

[(1, 25721454), (2, 12860727), (3, 8573818), (6, 4286909), (11, 2338314), (22, 1169157), (33, 779438), (66, 389719), (71, 362274), (121, 212574), (142, 181137), (213, 120758), (242, 106287), (363, 70858), (426, 60379), (499, 51546), (726, 35429), (781, 32934), (998, 25773), (1497, 17182), (1562, 16467), (2343, 10978), (2994, 8591), (4686, 5489)]