212721984

素因数分解:

$2^6\times 3^3\times {\mathrm{257}}^1\times {\mathrm{479}}^1$

素因数の和:757

約数の個数: 112

約数和(自身を含む): 629107200

約数和(自身を除く): 416385216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 216, 257, 288, 432, 479, 514, 576, 771, 864, 958, 1028, 1437, 1542, 1728, 1916, 2056, 2313, 2874, 3084, 3832, 4112, 4311, 4626, 5748, 6168, 6939, 7664, 8224, 8622, 9252, 11496, 12336, 12933, 13878, 15328, 16448, 17244, 18504, 22992, 24672, 25866, 27756, 30656, 34488, 37008, 45984, 49344, 51732, 55512, 68976, 74016, 91968, 103464, 111024, 123103, 137952, 148032, 206928, 222048, 246206, 275904, 369309, 413856, 444096, 492412, 738618, 827712, 984824, 1107927, 1477236, 1969648, 2215854, 2954472, 3323781, 3939296, 4431708, 5908944, 6647562, 7878592, 8863416, 11817888, 13295124, 17726832, 23635776, 26590248, 35453664, 53180496, 70907328, 106360992, 212721984]

約数ペア:

[(1, 212721984), (2, 106360992), (3, 70907328), (4, 53180496), (6, 35453664), (8, 26590248), (9, 23635776), (12, 17726832), (16, 13295124), (18, 11817888), (24, 8863416), (27, 7878592), (32, 6647562), (36, 5908944), (48, 4431708), (54, 3939296), (64, 3323781), (72, 2954472), (96, 2215854), (108, 1969648), (144, 1477236), (192, 1107927), (216, 984824), (257, 827712), (288, 738618), (432, 492412), (479, 444096), (514, 413856), (576, 369309), (771, 275904), (864, 246206), (958, 222048), (1028, 206928), (1437, 148032), (1542, 137952), (1728, 123103), (1916, 111024), (2056, 103464), (2313, 91968), (2874, 74016), (3084, 68976), (3832, 55512), (4112, 51732), (4311, 49344), (4626, 45984), (5748, 37008), (6168, 34488), (6939, 30656), (7664, 27756), (8224, 25866), (8622, 24672), (9252, 22992), (11496, 18504), (12336, 17244), (12933, 16448), (13878, 15328)]