28340784

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 120

約数和(自身を含む): 85113600

約数和(自身を除く): 56772816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 43, 46, 48, 69, 72, 86, 92, 129, 138, 144, 172, 184, 199, 207, 258, 276, 344, 368, 387, 398, 414, 516, 552, 597, 688, 774, 796, 828, 989, 1032, 1104, 1194, 1548, 1592, 1656, 1791, 1978, 2064, 2388, 2967, 3096, 3184, 3312, 3582, 3956, 4577, 4776, 5934, 6192, 7164, 7912, 8557, 8901, 9154, 9552, 11868, 13731, 14328, 15824, 17114, 17802, 18308, 23736, 25671, 27462, 28656, 34228, 35604, 36616, 41193, 47472, 51342, 54924, 68456, 71208, 73232, 77013, 82386, 102684, 109848, 136912, 142416, 154026, 164772, 196811, 205368, 219696, 308052, 329544, 393622, 410736, 590433, 616104, 659088, 787244, 1180866, 1232208, 1574488, 1771299, 2361732, 3148976, 3542598, 4723464, 7085196, 9446928, 14170392, 28340784]

約数ペア:

[(1, 28340784), (2, 14170392), (3, 9446928), (4, 7085196), (6, 4723464), (8, 3542598), (9, 3148976), (12, 2361732), (16, 1771299), (18, 1574488), (23, 1232208), (24, 1180866), (36, 787244), (43, 659088), (46, 616104), (48, 590433), (69, 410736), (72, 393622), (86, 329544), (92, 308052), (129, 219696), (138, 205368), (144, 196811), (172, 164772), (184, 154026), (199, 142416), (207, 136912), (258, 109848), (276, 102684), (344, 82386), (368, 77013), (387, 73232), (398, 71208), (414, 68456), (516, 54924), (552, 51342), (597, 47472), (688, 41193), (774, 36616), (796, 35604), (828, 34228), (989, 28656), (1032, 27462), (1104, 25671), (1194, 23736), (1548, 18308), (1592, 17802), (1656, 17114), (1791, 15824), (1978, 14328), (2064, 13731), (2388, 11868), (2967, 9552), (3096, 9154), (3184, 8901), (3312, 8557), (3582, 7912), (3956, 7164), (4577, 6192), (4776, 5934)]