28021728

素因数分解:

$2^5\times 3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:94

約数の個数: 192

約数和(自身を含む): 91929600

約数和(自身を除く): 63907872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 32, 37, 42, 46, 48, 49, 56, 69, 74, 84, 92, 96, 98, 111, 112, 138, 147, 148, 161, 168, 184, 196, 222, 224, 259, 276, 294, 296, 322, 336, 343, 368, 392, 444, 483, 518, 552, 588, 592, 644, 672, 686, 736, 777, 784, 851, 888, 966, 1029, 1036, 1104, 1127, 1176, 1184, 1288, 1372, 1554, 1568, 1702, 1776, 1813, 1932, 2058, 2072, 2208, 2254, 2352, 2553, 2576, 2744, 3108, 3381, 3404, 3552, 3626, 3864, 4116, 4144, 4508, 4704, 5106, 5152, 5439, 5488, 5957, 6216, 6762, 6808, 7252, 7728, 7889, 8232, 8288, 9016, 10212, 10878, 10976, 11914, 12432, 12691, 13524, 13616, 14504, 15456, 15778, 16464, 17871, 18032, 20424, 21756, 23667, 23828, 24864, 25382, 27048, 27232, 29008, 31556, 32928, 35742, 36064, 38073, 40848, 41699, 43512, 47334, 47656, 50764, 54096, 58016, 63112, 71484, 76146, 81696, 83398, 87024, 94668, 95312, 101528, 108192, 125097, 126224, 142968, 152292, 166796, 174048, 189336, 190624, 203056, 250194, 252448, 285936, 291893, 304584, 333592, 378672, 406112, 500388, 571872, 583786, 609168, 667184, 757344, 875679, 1000776, 1167572, 1218336, 1334368, 1751358, 2001552, 2335144, 3502716, 4003104, 4670288, 7005432, 9340576, 14010864, 28021728]

約数ペア:

[(1, 28021728), (2, 14010864), (3, 9340576), (4, 7005432), (6, 4670288), (7, 4003104), (8, 3502716), (12, 2335144), (14, 2001552), (16, 1751358), (21, 1334368), (23, 1218336), (24, 1167572), (28, 1000776), (32, 875679), (37, 757344), (42, 667184), (46, 609168), (48, 583786), (49, 571872), (56, 500388), (69, 406112), (74, 378672), (84, 333592), (92, 304584), (96, 291893), (98, 285936), (111, 252448), (112, 250194), (138, 203056), (147, 190624), (148, 189336), (161, 174048), (168, 166796), (184, 152292), (196, 142968), (222, 126224), (224, 125097), (259, 108192), (276, 101528), (294, 95312), (296, 94668), (322, 87024), (336, 83398), (343, 81696), (368, 76146), (392, 71484), (444, 63112), (483, 58016), (518, 54096), (552, 50764), (588, 47656), (592, 47334), (644, 43512), (672, 41699), (686, 40848), (736, 38073), (777, 36064), (784, 35742), (851, 32928), (888, 31556), (966, 29008), (1029, 27232), (1036, 27048), (1104, 25382), (1127, 24864), (1176, 23828), (1184, 23667), (1288, 21756), (1372, 20424), (1554, 18032), (1568, 17871), (1702, 16464), (1776, 15778), (1813, 15456), (1932, 14504), (2058, 13616), (2072, 13524), (2208, 12691), (2254, 12432), (2352, 11914), (2553, 10976), (2576, 10878), (2744, 10212), (3108, 9016), (3381, 8288), (3404, 8232), (3552, 7889), (3626, 7728), (3864, 7252), (4116, 6808), (4144, 6762), (4508, 6216), (4704, 5957), (5106, 5488), (5152, 5439)]