261983808

素因数分解:

$2^6\times 3^4\times {\mathrm{97}}^1\times {\mathrm{521}}^1$

素因数の和:642

約数の個数: 140

約数和(自身を含む): 786114252

約数和(自身を除く): 524130444

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 97, 108, 144, 162, 192, 194, 216, 288, 291, 324, 388, 432, 521, 576, 582, 648, 776, 864, 873, 1042, 1164, 1296, 1552, 1563, 1728, 1746, 2084, 2328, 2592, 2619, 3104, 3126, 3492, 4168, 4656, 4689, 5184, 5238, 6208, 6252, 6984, 7857, 8336, 9312, 9378, 10476, 12504, 13968, 14067, 15714, 16672, 18624, 18756, 20952, 25008, 27936, 28134, 31428, 33344, 37512, 41904, 42201, 50016, 50537, 55872, 56268, 62856, 75024, 83808, 84402, 100032, 101074, 112536, 125712, 150048, 151611, 167616, 168804, 202148, 225072, 251424, 300096, 303222, 337608, 404296, 450144, 454833, 502848, 606444, 675216, 808592, 900288, 909666, 1212888, 1350432, 1364499, 1617184, 1819332, 2425776, 2700864, 2728998, 3234368, 3638664, 4093497, 4851552, 5457996, 7277328, 8186994, 9703104, 10915992, 14554656, 16373988, 21831984, 29109312, 32747976, 43663968, 65495952, 87327936, 130991904, 261983808]

約数ペア:

[(1, 261983808), (2, 130991904), (3, 87327936), (4, 65495952), (6, 43663968), (8, 32747976), (9, 29109312), (12, 21831984), (16, 16373988), (18, 14554656), (24, 10915992), (27, 9703104), (32, 8186994), (36, 7277328), (48, 5457996), (54, 4851552), (64, 4093497), (72, 3638664), (81, 3234368), (96, 2728998), (97, 2700864), (108, 2425776), (144, 1819332), (162, 1617184), (192, 1364499), (194, 1350432), (216, 1212888), (288, 909666), (291, 900288), (324, 808592), (388, 675216), (432, 606444), (521, 502848), (576, 454833), (582, 450144), (648, 404296), (776, 337608), (864, 303222), (873, 300096), (1042, 251424), (1164, 225072), (1296, 202148), (1552, 168804), (1563, 167616), (1728, 151611), (1746, 150048), (2084, 125712), (2328, 112536), (2592, 101074), (2619, 100032), (3104, 84402), (3126, 83808), (3492, 75024), (4168, 62856), (4656, 56268), (4689, 55872), (5184, 50537), (5238, 50016), (6208, 42201), (6252, 41904), (6984, 37512), (7857, 33344), (8336, 31428), (9312, 28134), (9378, 27936), (10476, 25008), (12504, 20952), (13968, 18756), (14067, 18624), (15714, 16672)]