257446722

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{7351}}^1$

素因数の和:7818

約数の個数: 32

約数和(自身を含む): 555811200

約数和(自身を除く): 298364478

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 449, 898, 1347, 2694, 5837, 7351, 11674, 14702, 17511, 22053, 35022, 44106, 95563, 191126, 286689, 573378, 3300599, 6601198, 9901797, 19803594, 42907787, 85815574, 128723361, 257446722]

約数ペア:

[(1, 257446722), (2, 128723361), (3, 85815574), (6, 42907787), (13, 19803594), (26, 9901797), (39, 6601198), (78, 3300599), (449, 573378), (898, 286689), (1347, 191126), (2694, 95563), (5837, 44106), (7351, 35022), (11674, 22053), (14702, 17511)]