31081568

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 75398400

約数和(自身を除く): 44316832

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 67, 76, 109, 112, 133, 134, 152, 218, 224, 266, 268, 304, 436, 469, 532, 536, 608, 763, 872, 938, 1064, 1072, 1273, 1526, 1744, 1876, 2071, 2128, 2144, 2546, 3052, 3488, 3752, 4142, 4256, 5092, 6104, 7303, 7504, 8284, 8911, 10184, 12208, 14497, 14606, 15008, 16568, 17822, 20368, 24416, 28994, 29212, 33136, 35644, 40736, 51121, 57988, 58424, 66272, 71288, 102242, 115976, 116848, 138757, 142576, 204484, 231952, 233696, 277514, 285152, 408968, 463904, 555028, 817936, 971299, 1110056, 1635872, 1942598, 2220112, 3885196, 4440224, 7770392, 15540784, 31081568]

約数ペア:

[(1, 31081568), (2, 15540784), (4, 7770392), (7, 4440224), (8, 3885196), (14, 2220112), (16, 1942598), (19, 1635872), (28, 1110056), (32, 971299), (38, 817936), (56, 555028), (67, 463904), (76, 408968), (109, 285152), (112, 277514), (133, 233696), (134, 231952), (152, 204484), (218, 142576), (224, 138757), (266, 116848), (268, 115976), (304, 102242), (436, 71288), (469, 66272), (532, 58424), (536, 57988), (608, 51121), (763, 40736), (872, 35644), (938, 33136), (1064, 29212), (1072, 28994), (1273, 24416), (1526, 20368), (1744, 17822), (1876, 16568), (2071, 15008), (2128, 14606), (2144, 14497), (2546, 12208), (3052, 10184), (3488, 8911), (3752, 8284), (4142, 7504), (4256, 7303), (5092, 6104)]