131939584

素因数分解:

$2^8\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 328478976

約数和(自身を除く): 196539392

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 61, 64, 68, 71, 112, 119, 122, 128, 136, 142, 224, 238, 244, 256, 272, 284, 427, 448, 476, 488, 497, 544, 568, 854, 896, 952, 976, 994, 1037, 1088, 1136, 1207, 1708, 1792, 1904, 1952, 1988, 2074, 2176, 2272, 2414, 3416, 3808, 3904, 3976, 4148, 4331, 4352, 4544, 4828, 6832, 7259, 7616, 7808, 7952, 8296, 8449, 8662, 9088, 9656, 13664, 14518, 15232, 15616, 15904, 16592, 16898, 17324, 18176, 19312, 27328, 29036, 30317, 30464, 31808, 33184, 33796, 34648, 38624, 54656, 58072, 60634, 63616, 66368, 67592, 69296, 73627, 77248, 109312, 116144, 121268, 127232, 132736, 135184, 138592, 147254, 154496, 232288, 242536, 265472, 270368, 277184, 294508, 308992, 464576, 485072, 515389, 540736, 554368, 589016, 929152, 970144, 1030778, 1081472, 1108736, 1178032, 1858304, 1940288, 2061556, 2162944, 2356064, 3880576, 4123112, 4712128, 7761152, 8246224, 9424256, 16492448, 18848512, 32984896, 65969792, 131939584]

約数ペア:

[(1, 131939584), (2, 65969792), (4, 32984896), (7, 18848512), (8, 16492448), (14, 9424256), (16, 8246224), (17, 7761152), (28, 4712128), (32, 4123112), (34, 3880576), (56, 2356064), (61, 2162944), (64, 2061556), (68, 1940288), (71, 1858304), (112, 1178032), (119, 1108736), (122, 1081472), (128, 1030778), (136, 970144), (142, 929152), (224, 589016), (238, 554368), (244, 540736), (256, 515389), (272, 485072), (284, 464576), (427, 308992), (448, 294508), (476, 277184), (488, 270368), (497, 265472), (544, 242536), (568, 232288), (854, 154496), (896, 147254), (952, 138592), (976, 135184), (994, 132736), (1037, 127232), (1088, 121268), (1136, 116144), (1207, 109312), (1708, 77248), (1792, 73627), (1904, 69296), (1952, 67592), (1988, 66368), (2074, 63616), (2176, 60634), (2272, 58072), (2414, 54656), (3416, 38624), (3808, 34648), (3904, 33796), (3976, 33184), (4148, 31808), (4331, 30464), (4352, 30317), (4544, 29036), (4828, 27328), (6832, 19312), (7259, 18176), (7616, 17324), (7808, 16898), (7952, 16592), (8296, 15904), (8449, 15616), (8662, 15232), (9088, 14518), (9656, 13664)]