638170624

素因数分解:

$2^9\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13697}}^1$

素因数の和:13735

約数の個数: 80

約数和(自身を含む): 1569462048

約数和(自身を除く): 931291424

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 512, 728, 832, 896, 1456, 1664, 1792, 2912, 3328, 3584, 5824, 6656, 11648, 13697, 23296, 27394, 46592, 54788, 95879, 109576, 178061, 191758, 219152, 356122, 383516, 438304, 712244, 767032, 876608, 1246427, 1424488, 1534064, 1753216, 2492854, 2848976, 3068128, 3506432, 4985708, 5697952, 6136256, 7012864, 9971416, 11395904, 12272512, 19942832, 22791808, 24545024, 39885664, 45583616, 49090048, 79771328, 91167232, 159542656, 319085312, 638170624]

約数ペア:

[(1, 638170624), (2, 319085312), (4, 159542656), (7, 91167232), (8, 79771328), (13, 49090048), (14, 45583616), (16, 39885664), (26, 24545024), (28, 22791808), (32, 19942832), (52, 12272512), (56, 11395904), (64, 9971416), (91, 7012864), (104, 6136256), (112, 5697952), (128, 4985708), (182, 3506432), (208, 3068128), (224, 2848976), (256, 2492854), (364, 1753216), (416, 1534064), (448, 1424488), (512, 1246427), (728, 876608), (832, 767032), (896, 712244), (1456, 438304), (1664, 383516), (1792, 356122), (2912, 219152), (3328, 191758), (3584, 178061), (5824, 109576), (6656, 95879), (11648, 54788), (13697, 46592), (23296, 27394)]