31671822

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 128

約数和(自身を含む): 85155840

約数和(自身を除く): 53484018

約数列:

[1, 2, 3, 6, 7, 13, 14, 19, 21, 26, 38, 39, 42, 43, 57, 71, 78, 86, 91, 114, 129, 133, 142, 182, 213, 247, 258, 266, 273, 301, 399, 426, 494, 497, 546, 559, 602, 741, 798, 817, 903, 923, 994, 1118, 1349, 1482, 1491, 1634, 1677, 1729, 1806, 1846, 2451, 2698, 2769, 2982, 3053, 3354, 3458, 3913, 4047, 4902, 5187, 5538, 5719, 6106, 6461, 7826, 8094, 9159, 9443, 10374, 10621, 11438, 11739, 12922, 17157, 17537, 18318, 18886, 19383, 21242, 21371, 23478, 28329, 31863, 34314, 35074, 38766, 39689, 42742, 52611, 56658, 58007, 63726, 64113, 74347, 79378, 105222, 116014, 119067, 122759, 128226, 148694, 174021, 223041, 238134, 245518, 277823, 348042, 368277, 406049, 446082, 555646, 736554, 754091, 812098, 833469, 1218147, 1508182, 1666938, 2262273, 2436294, 4524546, 5278637, 10557274, 15835911, 31671822]

約数ペア:

[(1, 31671822), (2, 15835911), (3, 10557274), (6, 5278637), (7, 4524546), (13, 2436294), (14, 2262273), (19, 1666938), (21, 1508182), (26, 1218147), (38, 833469), (39, 812098), (42, 754091), (43, 736554), (57, 555646), (71, 446082), (78, 406049), (86, 368277), (91, 348042), (114, 277823), (129, 245518), (133, 238134), (142, 223041), (182, 174021), (213, 148694), (247, 128226), (258, 122759), (266, 119067), (273, 116014), (301, 105222), (399, 79378), (426, 74347), (494, 64113), (497, 63726), (546, 58007), (559, 56658), (602, 52611), (741, 42742), (798, 39689), (817, 38766), (903, 35074), (923, 34314), (994, 31863), (1118, 28329), (1349, 23478), (1482, 21371), (1491, 21242), (1634, 19383), (1677, 18886), (1729, 18318), (1806, 17537), (1846, 17157), (2451, 12922), (2698, 11739), (2769, 11438), (2982, 10621), (3053, 10374), (3354, 9443), (3458, 9159), (3913, 8094), (4047, 7826), (4902, 6461), (5187, 6106), (5538, 5719)]