261807336

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{347}}^1\times {\mathrm{499}}^1$

素因数の和:868

約数の個数: 128

約数和(自身を含む): 835200000

約数和(自身を除く): 573392664

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 347, 378, 499, 504, 694, 756, 998, 1041, 1388, 1497, 1512, 1996, 2082, 2429, 2776, 2994, 3123, 3493, 3992, 4164, 4491, 4858, 5988, 6246, 6986, 7287, 8328, 8982, 9369, 9716, 10479, 11976, 12492, 13473, 13972, 14574, 17964, 18738, 19432, 20958, 21861, 24984, 26946, 27944, 29148, 31437, 35928, 37476, 41916, 43722, 53892, 58296, 62874, 65583, 74952, 83832, 87444, 94311, 107784, 125748, 131166, 173153, 174888, 188622, 251496, 262332, 346306, 377244, 519459, 524664, 692612, 754488, 1038918, 1212071, 1385224, 1558377, 2077836, 2424142, 3116754, 3636213, 4155672, 4675131, 4848284, 6233508, 7272426, 9350262, 9696568, 10908639, 12467016, 14544852, 18700524, 21817278, 29089704, 32725917, 37401048, 43634556, 65451834, 87269112, 130903668, 261807336]

約数ペア:

[(1, 261807336), (2, 130903668), (3, 87269112), (4, 65451834), (6, 43634556), (7, 37401048), (8, 32725917), (9, 29089704), (12, 21817278), (14, 18700524), (18, 14544852), (21, 12467016), (24, 10908639), (27, 9696568), (28, 9350262), (36, 7272426), (42, 6233508), (54, 4848284), (56, 4675131), (63, 4155672), (72, 3636213), (84, 3116754), (108, 2424142), (126, 2077836), (168, 1558377), (189, 1385224), (216, 1212071), (252, 1038918), (347, 754488), (378, 692612), (499, 524664), (504, 519459), (694, 377244), (756, 346306), (998, 262332), (1041, 251496), (1388, 188622), (1497, 174888), (1512, 173153), (1996, 131166), (2082, 125748), (2429, 107784), (2776, 94311), (2994, 87444), (3123, 83832), (3493, 74952), (3992, 65583), (4164, 62874), (4491, 58296), (4858, 53892), (5988, 43722), (6246, 41916), (6986, 37476), (7287, 35928), (8328, 31437), (8982, 29148), (9369, 27944), (9716, 26946), (10479, 24984), (11976, 21861), (12492, 20958), (13473, 19432), (13972, 18738), (14574, 17964)]