128638848

素因数分解:

$2^7\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:456

約数の個数: 128

約数和(自身を含む): 374078880

約数和(自身を除く): 245440032

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 73, 78, 96, 104, 128, 146, 156, 192, 208, 219, 292, 312, 353, 384, 416, 438, 584, 624, 706, 832, 876, 949, 1059, 1168, 1248, 1412, 1664, 1752, 1898, 2118, 2336, 2496, 2824, 2847, 3504, 3796, 4236, 4589, 4672, 4992, 5648, 5694, 7008, 7592, 8472, 9178, 9344, 11296, 11388, 13767, 14016, 15184, 16944, 18356, 22592, 22776, 25769, 27534, 28032, 30368, 33888, 36712, 45184, 45552, 51538, 55068, 60736, 67776, 73424, 77307, 91104, 103076, 110136, 121472, 135552, 146848, 154614, 182208, 206152, 220272, 293696, 309228, 334997, 364416, 412304, 440544, 587392, 618456, 669994, 824608, 881088, 1004991, 1236912, 1339988, 1649216, 1762176, 2009982, 2473824, 2679976, 3298432, 4019964, 4947648, 5359952, 8039928, 9895296, 10719904, 16079856, 21439808, 32159712, 42879616, 64319424, 128638848]

約数ペア:

[(1, 128638848), (2, 64319424), (3, 42879616), (4, 32159712), (6, 21439808), (8, 16079856), (12, 10719904), (13, 9895296), (16, 8039928), (24, 5359952), (26, 4947648), (32, 4019964), (39, 3298432), (48, 2679976), (52, 2473824), (64, 2009982), (73, 1762176), (78, 1649216), (96, 1339988), (104, 1236912), (128, 1004991), (146, 881088), (156, 824608), (192, 669994), (208, 618456), (219, 587392), (292, 440544), (312, 412304), (353, 364416), (384, 334997), (416, 309228), (438, 293696), (584, 220272), (624, 206152), (706, 182208), (832, 154614), (876, 146848), (949, 135552), (1059, 121472), (1168, 110136), (1248, 103076), (1412, 91104), (1664, 77307), (1752, 73424), (1898, 67776), (2118, 60736), (2336, 55068), (2496, 51538), (2824, 45552), (2847, 45184), (3504, 36712), (3796, 33888), (4236, 30368), (4589, 28032), (4672, 27534), (4992, 25769), (5648, 22776), (5694, 22592), (7008, 18356), (7592, 16944), (8472, 15184), (9178, 14016), (9344, 13767), (11296, 11388)]