263221248

素因数分解:

$2^{12}\times 3^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:749

約数の個数: 104

約数和(自身を含む): 725526016

約数和(自身を除く): 462304768

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 128, 186, 192, 248, 256, 372, 384, 496, 512, 691, 744, 768, 992, 1024, 1382, 1488, 1536, 1984, 2048, 2073, 2764, 2976, 3072, 3968, 4096, 4146, 5528, 5952, 6144, 7936, 8292, 11056, 11904, 12288, 15872, 16584, 21421, 22112, 23808, 31744, 33168, 42842, 44224, 47616, 63488, 64263, 66336, 85684, 88448, 95232, 126976, 128526, 132672, 171368, 176896, 190464, 257052, 265344, 342736, 353792, 380928, 514104, 530688, 685472, 707584, 1028208, 1061376, 1370944, 1415168, 2056416, 2122752, 2741888, 2830336, 4112832, 4245504, 5483776, 8225664, 8491008, 10967552, 16451328, 21935104, 32902656, 43870208, 65805312, 87740416, 131610624, 263221248]

約数ペア:

[(1, 263221248), (2, 131610624), (3, 87740416), (4, 65805312), (6, 43870208), (8, 32902656), (12, 21935104), (16, 16451328), (24, 10967552), (31, 8491008), (32, 8225664), (48, 5483776), (62, 4245504), (64, 4112832), (93, 2830336), (96, 2741888), (124, 2122752), (128, 2056416), (186, 1415168), (192, 1370944), (248, 1061376), (256, 1028208), (372, 707584), (384, 685472), (496, 530688), (512, 514104), (691, 380928), (744, 353792), (768, 342736), (992, 265344), (1024, 257052), (1382, 190464), (1488, 176896), (1536, 171368), (1984, 132672), (2048, 128526), (2073, 126976), (2764, 95232), (2976, 88448), (3072, 85684), (3968, 66336), (4096, 64263), (4146, 63488), (5528, 47616), (5952, 44224), (6144, 42842), (7936, 33168), (8292, 31744), (11056, 23808), (11904, 22112), (12288, 21421), (15872, 16584)]