261755392

素因数分解:

$2^9\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:142

約数の個数: 120

約数和(自身を含む): 584153460

約数和(自身を除く): 322398068

約数列:

[1, 2, 4, 8, 16, 17, 29, 32, 34, 58, 61, 64, 68, 116, 122, 128, 136, 232, 244, 256, 272, 289, 464, 488, 493, 512, 544, 578, 928, 976, 986, 1037, 1088, 1156, 1769, 1856, 1952, 1972, 2074, 2176, 2312, 3538, 3712, 3904, 3944, 4148, 4352, 4624, 7076, 7424, 7808, 7888, 8296, 8381, 8704, 9248, 14152, 14848, 15616, 15776, 16592, 16762, 17629, 18496, 28304, 30073, 31232, 31552, 33184, 33524, 35258, 36992, 56608, 60146, 63104, 66368, 67048, 70516, 73984, 113216, 120292, 126208, 132736, 134096, 141032, 147968, 226432, 240584, 252416, 265472, 268192, 282064, 452864, 481168, 511241, 530944, 536384, 564128, 905728, 962336, 1022482, 1072768, 1128256, 1924672, 2044964, 2145536, 2256512, 3849344, 4089928, 4291072, 4513024, 7698688, 8179856, 9026048, 15397376, 16359712, 32719424, 65438848, 130877696, 261755392]

約数ペア:

[(1, 261755392), (2, 130877696), (4, 65438848), (8, 32719424), (16, 16359712), (17, 15397376), (29, 9026048), (32, 8179856), (34, 7698688), (58, 4513024), (61, 4291072), (64, 4089928), (68, 3849344), (116, 2256512), (122, 2145536), (128, 2044964), (136, 1924672), (232, 1128256), (244, 1072768), (256, 1022482), (272, 962336), (289, 905728), (464, 564128), (488, 536384), (493, 530944), (512, 511241), (544, 481168), (578, 452864), (928, 282064), (976, 268192), (986, 265472), (1037, 252416), (1088, 240584), (1156, 226432), (1769, 147968), (1856, 141032), (1952, 134096), (1972, 132736), (2074, 126208), (2176, 120292), (2312, 113216), (3538, 73984), (3712, 70516), (3904, 67048), (3944, 66368), (4148, 63104), (4352, 60146), (4624, 56608), (7076, 36992), (7424, 35258), (7808, 33524), (7888, 33184), (8296, 31552), (8381, 31232), (8704, 30073), (9248, 28304), (14152, 18496), (14848, 17629), (15616, 16762), (15776, 16592)]