248754688

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:338

約数の個数: 160

約数和(自身を含む): 646208640

約数和(自身を除く): 397453952

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 64, 76, 91, 104, 112, 128, 133, 152, 182, 208, 224, 247, 256, 266, 281, 304, 364, 416, 448, 494, 512, 532, 562, 608, 728, 832, 896, 988, 1064, 1124, 1216, 1456, 1664, 1729, 1792, 1967, 1976, 2128, 2248, 2432, 2912, 3328, 3458, 3584, 3653, 3934, 3952, 4256, 4496, 4864, 5339, 5824, 6656, 6916, 7306, 7868, 7904, 8512, 8992, 9728, 10678, 11648, 13832, 14612, 15736, 15808, 17024, 17984, 21356, 23296, 25571, 27664, 29224, 31472, 31616, 34048, 35968, 37373, 42712, 46592, 51142, 55328, 58448, 62944, 63232, 68096, 69407, 71936, 74746, 85424, 102284, 110656, 116896, 125888, 126464, 138814, 143872, 149492, 170848, 204568, 221312, 233792, 251776, 277628, 298984, 341696, 409136, 442624, 467584, 485849, 503552, 555256, 597968, 683392, 818272, 885248, 935168, 971698, 1007104, 1110512, 1195936, 1366784, 1636544, 1870336, 1943396, 2221024, 2391872, 2733568, 3273088, 3886792, 4442048, 4783744, 6546176, 7773584, 8884096, 9567488, 13092352, 15547168, 17768192, 19134976, 31094336, 35536384, 62188672, 124377344, 248754688]

約数ペア:

[(1, 248754688), (2, 124377344), (4, 62188672), (7, 35536384), (8, 31094336), (13, 19134976), (14, 17768192), (16, 15547168), (19, 13092352), (26, 9567488), (28, 8884096), (32, 7773584), (38, 6546176), (52, 4783744), (56, 4442048), (64, 3886792), (76, 3273088), (91, 2733568), (104, 2391872), (112, 2221024), (128, 1943396), (133, 1870336), (152, 1636544), (182, 1366784), (208, 1195936), (224, 1110512), (247, 1007104), (256, 971698), (266, 935168), (281, 885248), (304, 818272), (364, 683392), (416, 597968), (448, 555256), (494, 503552), (512, 485849), (532, 467584), (562, 442624), (608, 409136), (728, 341696), (832, 298984), (896, 277628), (988, 251776), (1064, 233792), (1124, 221312), (1216, 204568), (1456, 170848), (1664, 149492), (1729, 143872), (1792, 138814), (1967, 126464), (1976, 125888), (2128, 116896), (2248, 110656), (2432, 102284), (2912, 85424), (3328, 74746), (3458, 71936), (3584, 69407), (3653, 68096), (3934, 63232), (3952, 62944), (4256, 58448), (4496, 55328), (4864, 51142), (5339, 46592), (5824, 42712), (6656, 37373), (6916, 35968), (7306, 34048), (7868, 31616), (7904, 31472), (8512, 29224), (8992, 27664), (9728, 25571), (10678, 23296), (11648, 21356), (13832, 17984), (14612, 17024), (15736, 15808)]