278353728

素因数分解:

$2^6\times 3^2\times {\mathrm{23}}^1\times {\mathrm{21011}}^1$

素因数の和:21052

約数の個数: 84

約数和(自身を含む): 832579488

約数和(自身を除く): 554225760

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 32, 36, 46, 48, 64, 69, 72, 92, 96, 138, 144, 184, 192, 207, 276, 288, 368, 414, 552, 576, 736, 828, 1104, 1472, 1656, 2208, 3312, 4416, 6624, 13248, 21011, 42022, 63033, 84044, 126066, 168088, 189099, 252132, 336176, 378198, 483253, 504264, 672352, 756396, 966506, 1008528, 1344704, 1449759, 1512792, 1933012, 2017056, 2899518, 3025584, 3866024, 4034112, 4349277, 5799036, 6051168, 7732048, 8698554, 11598072, 12102336, 15464096, 17397108, 23196144, 30928192, 34794216, 46392288, 69588432, 92784576, 139176864, 278353728]

約数ペア:

[(1, 278353728), (2, 139176864), (3, 92784576), (4, 69588432), (6, 46392288), (8, 34794216), (9, 30928192), (12, 23196144), (16, 17397108), (18, 15464096), (23, 12102336), (24, 11598072), (32, 8698554), (36, 7732048), (46, 6051168), (48, 5799036), (64, 4349277), (69, 4034112), (72, 3866024), (92, 3025584), (96, 2899518), (138, 2017056), (144, 1933012), (184, 1512792), (192, 1449759), (207, 1344704), (276, 1008528), (288, 966506), (368, 756396), (414, 672352), (552, 504264), (576, 483253), (736, 378198), (828, 336176), (1104, 252132), (1472, 189099), (1656, 168088), (2208, 126066), (3312, 84044), (4416, 63033), (6624, 42022), (13248, 21011)]