278889312

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{223469}}^1$

素因数の和:223495

約数の個数: 48

約数和(自身を含む): 788402160

約数和(自身を除く): 509512848

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 223469, 446938, 670407, 893876, 1340814, 1787752, 2681628, 2905097, 3575504, 5363256, 5810194, 7151008, 8715291, 10726512, 11620388, 17430582, 21453024, 23240776, 34861164, 46481552, 69722328, 92963104, 139444656, 278889312]

約数ペア:

[(1, 278889312), (2, 139444656), (3, 92963104), (4, 69722328), (6, 46481552), (8, 34861164), (12, 23240776), (13, 21453024), (16, 17430582), (24, 11620388), (26, 10726512), (32, 8715291), (39, 7151008), (48, 5810194), (52, 5363256), (78, 3575504), (96, 2905097), (104, 2681628), (156, 1787752), (208, 1340814), (312, 893876), (416, 670407), (624, 446938), (1248, 223469)]