25661818

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:263

約数の個数: 64

約数和(自身を含む): 51367680

約数和(自身を除く): 25705862

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 41, 82, 91, 133, 181, 182, 247, 266, 287, 362, 494, 533, 574, 779, 1066, 1267, 1558, 1729, 2353, 2534, 3439, 3458, 3731, 4706, 5453, 6878, 7421, 7462, 10127, 10906, 14842, 16471, 20254, 24073, 32942, 44707, 48146, 51947, 70889, 89414, 96473, 103894, 140999, 141778, 192946, 281998, 312949, 625898, 675311, 986993, 1350622, 1832987, 1973986, 3665974, 12830909, 25661818]

約数ペア:

[(1, 25661818), (2, 12830909), (7, 3665974), (13, 1973986), (14, 1832987), (19, 1350622), (26, 986993), (38, 675311), (41, 625898), (82, 312949), (91, 281998), (133, 192946), (181, 141778), (182, 140999), (247, 103894), (266, 96473), (287, 89414), (362, 70889), (494, 51947), (533, 48146), (574, 44707), (779, 32942), (1066, 24073), (1267, 20254), (1558, 16471), (1729, 14842), (2353, 10906), (2534, 10127), (3439, 7462), (3458, 7421), (3731, 6878), (4706, 5453)]