1278899728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{577}}^1$

素因数の和:944

約数の個数: 80

約数和(自身を含む): 2735003520

約数和(自身を除く): 1456103792

約数列:

[1, 2, 4, 8, 16, 19, 23, 38, 46, 76, 92, 152, 184, 304, 317, 368, 437, 577, 634, 874, 1154, 1268, 1748, 2308, 2536, 3496, 4616, 5072, 6023, 6992, 7291, 9232, 10963, 12046, 13271, 14582, 21926, 24092, 26542, 29164, 43852, 48184, 53084, 58328, 87704, 96368, 106168, 116656, 138529, 175408, 182909, 212336, 252149, 277058, 365818, 504298, 554116, 731636, 1008596, 1108232, 1463272, 2017192, 2216464, 2926544, 3475271, 4034384, 4206907, 6950542, 8413814, 13901084, 16827628, 27802168, 33655256, 55604336, 67310512, 79931233, 159862466, 319724932, 639449864, 1278899728]

約数ペア:

[(1, 1278899728), (2, 639449864), (4, 319724932), (8, 159862466), (16, 79931233), (19, 67310512), (23, 55604336), (38, 33655256), (46, 27802168), (76, 16827628), (92, 13901084), (152, 8413814), (184, 6950542), (304, 4206907), (317, 4034384), (368, 3475271), (437, 2926544), (577, 2216464), (634, 2017192), (874, 1463272), (1154, 1108232), (1268, 1008596), (1748, 731636), (2308, 554116), (2536, 504298), (3496, 365818), (4616, 277058), (5072, 252149), (6023, 212336), (6992, 182909), (7291, 175408), (9232, 138529), (10963, 116656), (12046, 106168), (13271, 96368), (14582, 87704), (21926, 58328), (24092, 53084), (26542, 48184), (29164, 43852)]