28485072

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{367}}^1$

素因数の和:406

約数の個数: 180

約数和(自身を含む): 101439936

約数和(自身を除く): 72954864

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 11, 12, 14, 16, 18, 21, 22, 24, 28, 33, 36, 42, 44, 48, 49, 56, 63, 66, 72, 77, 84, 88, 98, 99, 112, 126, 132, 144, 147, 154, 168, 176, 196, 198, 231, 252, 264, 294, 308, 336, 367, 392, 396, 441, 462, 504, 528, 539, 588, 616, 693, 734, 784, 792, 882, 924, 1008, 1078, 1101, 1176, 1232, 1386, 1468, 1584, 1617, 1764, 1848, 2156, 2202, 2352, 2569, 2772, 2936, 3234, 3303, 3528, 3696, 4037, 4312, 4404, 4851, 5138, 5544, 5872, 6468, 6606, 7056, 7707, 8074, 8624, 8808, 9702, 10276, 11088, 12111, 12936, 13212, 15414, 16148, 17616, 17983, 19404, 20552, 23121, 24222, 25872, 26424, 28259, 30828, 32296, 35966, 36333, 38808, 41104, 46242, 48444, 52848, 53949, 56518, 61656, 64592, 71932, 72666, 77616, 84777, 92484, 96888, 107898, 113036, 123312, 143864, 145332, 161847, 169554, 184968, 193776, 197813, 215796, 226072, 254331, 287728, 290664, 323694, 339108, 369936, 395626, 431592, 452144, 508662, 581328, 593439, 647388, 678216, 791252, 863184, 1017324, 1186878, 1294776, 1356432, 1582504, 1780317, 2034648, 2373756, 2589552, 3165008, 3560634, 4069296, 4747512, 7121268, 9495024, 14242536, 28485072]

約数ペア:

[(1, 28485072), (2, 14242536), (3, 9495024), (4, 7121268), (6, 4747512), (7, 4069296), (8, 3560634), (9, 3165008), (11, 2589552), (12, 2373756), (14, 2034648), (16, 1780317), (18, 1582504), (21, 1356432), (22, 1294776), (24, 1186878), (28, 1017324), (33, 863184), (36, 791252), (42, 678216), (44, 647388), (48, 593439), (49, 581328), (56, 508662), (63, 452144), (66, 431592), (72, 395626), (77, 369936), (84, 339108), (88, 323694), (98, 290664), (99, 287728), (112, 254331), (126, 226072), (132, 215796), (144, 197813), (147, 193776), (154, 184968), (168, 169554), (176, 161847), (196, 145332), (198, 143864), (231, 123312), (252, 113036), (264, 107898), (294, 96888), (308, 92484), (336, 84777), (367, 77616), (392, 72666), (396, 71932), (441, 64592), (462, 61656), (504, 56518), (528, 53949), (539, 52848), (588, 48444), (616, 46242), (693, 41104), (734, 38808), (784, 36333), (792, 35966), (882, 32296), (924, 30828), (1008, 28259), (1078, 26424), (1101, 25872), (1176, 24222), (1232, 23121), (1386, 20552), (1468, 19404), (1584, 17983), (1617, 17616), (1764, 16148), (1848, 15414), (2156, 13212), (2202, 12936), (2352, 12111), (2569, 11088), (2772, 10276), (2936, 9702), (3234, 8808), (3303, 8624), (3528, 8074), (3696, 7707), (4037, 7056), (4312, 6606), (4404, 6468), (4851, 5872), (5138, 5544)]