28178832

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{643}}^1$

素因数の和:748

約数の個数: 80

約数和(自身を含む): 80494848

約数和(自身を除く): 52316016

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 83, 88, 132, 166, 176, 249, 264, 332, 498, 528, 643, 664, 913, 996, 1286, 1328, 1826, 1929, 1992, 2572, 2739, 3652, 3858, 3984, 5144, 5478, 7073, 7304, 7716, 10288, 10956, 14146, 14608, 15432, 21219, 21912, 28292, 30864, 42438, 43824, 53369, 56584, 84876, 106738, 113168, 160107, 169752, 213476, 320214, 339504, 426952, 587059, 640428, 853904, 1174118, 1280856, 1761177, 2348236, 2561712, 3522354, 4696472, 7044708, 9392944, 14089416, 28178832]

約数ペア:

[(1, 28178832), (2, 14089416), (3, 9392944), (4, 7044708), (6, 4696472), (8, 3522354), (11, 2561712), (12, 2348236), (16, 1761177), (22, 1280856), (24, 1174118), (33, 853904), (44, 640428), (48, 587059), (66, 426952), (83, 339504), (88, 320214), (132, 213476), (166, 169752), (176, 160107), (249, 113168), (264, 106738), (332, 84876), (498, 56584), (528, 53369), (643, 43824), (664, 42438), (913, 30864), (996, 28292), (1286, 21912), (1328, 21219), (1826, 15432), (1929, 14608), (1992, 14146), (2572, 10956), (2739, 10288), (3652, 7716), (3858, 7304), (3984, 7073), (5144, 5478)]