261191952

素因数分解:

$2^4\times 3^6\times 7^2\times {\mathrm{457}}^1$

素因数の和:497

約数の個数: 210

約数和(自身を含む): 884549598

約数和(自身を除く): 623357646

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 49, 54, 56, 63, 72, 81, 84, 98, 108, 112, 126, 144, 147, 162, 168, 189, 196, 216, 243, 252, 294, 324, 336, 378, 392, 432, 441, 457, 486, 504, 567, 588, 648, 729, 756, 784, 882, 914, 972, 1008, 1134, 1176, 1296, 1323, 1371, 1458, 1512, 1701, 1764, 1828, 1944, 2268, 2352, 2646, 2742, 2916, 3024, 3199, 3402, 3528, 3656, 3888, 3969, 4113, 4536, 5103, 5292, 5484, 5832, 6398, 6804, 7056, 7312, 7938, 8226, 9072, 9597, 10206, 10584, 10968, 11664, 11907, 12339, 12796, 13608, 15876, 16452, 19194, 20412, 21168, 21936, 22393, 23814, 24678, 25592, 27216, 28791, 31752, 32904, 35721, 37017, 38388, 40824, 44786, 47628, 49356, 51184, 57582, 63504, 65808, 67179, 71442, 74034, 76776, 81648, 86373, 89572, 95256, 98712, 111051, 115164, 134358, 142884, 148068, 153552, 172746, 179144, 190512, 197424, 201537, 222102, 230328, 259119, 268716, 285768, 296136, 333153, 345492, 358288, 403074, 444204, 460656, 518238, 537432, 571536, 592272, 604611, 666306, 690984, 777357, 806148, 888408, 1036476, 1074864, 1209222, 1332612, 1381968, 1554714, 1612296, 1776816, 1813833, 2072952, 2332071, 2418444, 2665224, 3109428, 3224592, 3627666, 4145904, 4664142, 4836888, 5330448, 5441499, 6218856, 7255332, 9328284, 9673776, 10882998, 12437712, 14510664, 16324497, 18656568, 21765996, 29021328, 32648994, 37313136, 43531992, 65297988, 87063984, 130595976, 261191952]

約数ペア:

[(1, 261191952), (2, 130595976), (3, 87063984), (4, 65297988), (6, 43531992), (7, 37313136), (8, 32648994), (9, 29021328), (12, 21765996), (14, 18656568), (16, 16324497), (18, 14510664), (21, 12437712), (24, 10882998), (27, 9673776), (28, 9328284), (36, 7255332), (42, 6218856), (48, 5441499), (49, 5330448), (54, 4836888), (56, 4664142), (63, 4145904), (72, 3627666), (81, 3224592), (84, 3109428), (98, 2665224), (108, 2418444), (112, 2332071), (126, 2072952), (144, 1813833), (147, 1776816), (162, 1612296), (168, 1554714), (189, 1381968), (196, 1332612), (216, 1209222), (243, 1074864), (252, 1036476), (294, 888408), (324, 806148), (336, 777357), (378, 690984), (392, 666306), (432, 604611), (441, 592272), (457, 571536), (486, 537432), (504, 518238), (567, 460656), (588, 444204), (648, 403074), (729, 358288), (756, 345492), (784, 333153), (882, 296136), (914, 285768), (972, 268716), (1008, 259119), (1134, 230328), (1176, 222102), (1296, 201537), (1323, 197424), (1371, 190512), (1458, 179144), (1512, 172746), (1701, 153552), (1764, 148068), (1828, 142884), (1944, 134358), (2268, 115164), (2352, 111051), (2646, 98712), (2742, 95256), (2916, 89572), (3024, 86373), (3199, 81648), (3402, 76776), (3528, 74034), (3656, 71442), (3888, 67179), (3969, 65808), (4113, 63504), (4536, 57582), (5103, 51184), (5292, 49356), (5484, 47628), (5832, 44786), (6398, 40824), (6804, 38388), (7056, 37017), (7312, 35721), (7938, 32904), (8226, 31752), (9072, 28791), (9597, 27216), (10206, 25592), (10584, 24678), (10968, 23814), (11664, 22393), (11907, 21936), (12339, 21168), (12796, 20412), (13608, 19194), (15876, 16452)]