28059808

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^2\times {\mathrm{347}}^1$

素因数の和:402

約数の個数: 72

約数和(自身を含む): 66824352

約数和(自身を除く): 38764544

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 347, 361, 532, 608, 694, 722, 1064, 1388, 1444, 2128, 2429, 2527, 2776, 2888, 4256, 4858, 5054, 5552, 5776, 6593, 9716, 10108, 11104, 11552, 13186, 19432, 20216, 26372, 38864, 40432, 46151, 52744, 77728, 80864, 92302, 105488, 125267, 184604, 210976, 250534, 369208, 501068, 738416, 876869, 1002136, 1476832, 1753738, 2004272, 3507476, 4008544, 7014952, 14029904, 28059808]

約数ペア:

[(1, 28059808), (2, 14029904), (4, 7014952), (7, 4008544), (8, 3507476), (14, 2004272), (16, 1753738), (19, 1476832), (28, 1002136), (32, 876869), (38, 738416), (56, 501068), (76, 369208), (112, 250534), (133, 210976), (152, 184604), (224, 125267), (266, 105488), (304, 92302), (347, 80864), (361, 77728), (532, 52744), (608, 46151), (694, 40432), (722, 38864), (1064, 26372), (1388, 20216), (1444, 19432), (2128, 13186), (2429, 11552), (2527, 11104), (2776, 10108), (2888, 9716), (4256, 6593), (4858, 5776), (5054, 5552)]