668136

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:154

約数の個数: 64

約数和(自身を含む): 1975680

約数和(自身を除く): 1307544

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 41, 42, 56, 82, 84, 97, 123, 164, 168, 194, 246, 287, 291, 328, 388, 492, 574, 582, 679, 776, 861, 984, 1148, 1164, 1358, 1722, 2037, 2296, 2328, 2716, 3444, 3977, 4074, 5432, 6888, 7954, 8148, 11931, 15908, 16296, 23862, 27839, 31816, 47724, 55678, 83517, 95448, 111356, 167034, 222712, 334068, 668136]

約数ペア:

[(1, 668136), (2, 334068), (3, 222712), (4, 167034), (6, 111356), (7, 95448), (8, 83517), (12, 55678), (14, 47724), (21, 31816), (24, 27839), (28, 23862), (41, 16296), (42, 15908), (56, 11931), (82, 8148), (84, 7954), (97, 6888), (123, 5432), (164, 4074), (168, 3977), (194, 3444), (246, 2716), (287, 2328), (291, 2296), (328, 2037), (388, 1722), (492, 1358), (574, 1164), (582, 1148), (679, 984), (776, 861)]