287993776

素因数分解:

$2^4\times 7^3\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:667

約数の個数: 80

約数和(自身を含む): 658638400

約数和(自身を除く): 370644624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 97, 98, 112, 194, 196, 343, 388, 392, 541, 679, 686, 776, 784, 1082, 1358, 1372, 1552, 2164, 2716, 2744, 3787, 4328, 4753, 5432, 5488, 7574, 8656, 9506, 10864, 15148, 19012, 26509, 30296, 33271, 38024, 52477, 53018, 60592, 66542, 76048, 104954, 106036, 133084, 185563, 209908, 212072, 266168, 367339, 371126, 419816, 424144, 532336, 734678, 742252, 839632, 1469356, 1484504, 2571373, 2938712, 2969008, 5142746, 5877424, 10285492, 17999611, 20570984, 35999222, 41141968, 71998444, 143996888, 287993776]

約数ペア:

[(1, 287993776), (2, 143996888), (4, 71998444), (7, 41141968), (8, 35999222), (14, 20570984), (16, 17999611), (28, 10285492), (49, 5877424), (56, 5142746), (97, 2969008), (98, 2938712), (112, 2571373), (194, 1484504), (196, 1469356), (343, 839632), (388, 742252), (392, 734678), (541, 532336), (679, 424144), (686, 419816), (776, 371126), (784, 367339), (1082, 266168), (1358, 212072), (1372, 209908), (1552, 185563), (2164, 133084), (2716, 106036), (2744, 104954), (3787, 76048), (4328, 66542), (4753, 60592), (5432, 53018), (5488, 52477), (7574, 38024), (8656, 33271), (9506, 30296), (10864, 26509), (15148, 19012)]