253431234

素因数分解:

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

素因数の和:186

約数の個数: 144

約数和(自身を含む): 699458400

約数和(自身を除く): 446027166

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 49, 54, 57, 63, 71, 98, 114, 126, 133, 142, 147, 171, 189, 213, 266, 294, 342, 378, 399, 426, 441, 497, 513, 639, 798, 882, 931, 994, 1026, 1197, 1278, 1323, 1349, 1491, 1862, 1917, 2394, 2646, 2698, 2793, 2982, 3479, 3591, 3834, 4047, 4473, 5041, 5586, 6958, 7182, 8094, 8379, 8946, 9443, 10082, 10437, 12141, 13419, 15123, 16758, 18886, 20874, 24282, 25137, 26838, 28329, 30246, 31311, 35287, 36423, 45369, 50274, 56658, 62622, 66101, 70574, 72846, 84987, 90738, 93933, 95779, 105861, 132202, 136107, 169974, 187866, 191558, 198303, 211722, 247009, 254961, 272214, 287337, 317583, 396606, 494018, 509922, 574674, 594909, 635166, 670453, 741027, 862011, 952749, 1189818, 1340906, 1482054, 1724022, 1784727, 1905498, 2011359, 2223081, 2586033, 3569454, 4022718, 4446162, 4693171, 5172066, 6034077, 6669243, 9386342, 12068154, 13338486, 14079513, 18102231, 28159026, 36204462, 42238539, 84477078, 126715617, 253431234]

約数ペア:

[(1, 253431234), (2, 126715617), (3, 84477078), (6, 42238539), (7, 36204462), (9, 28159026), (14, 18102231), (18, 14079513), (19, 13338486), (21, 12068154), (27, 9386342), (38, 6669243), (42, 6034077), (49, 5172066), (54, 4693171), (57, 4446162), (63, 4022718), (71, 3569454), (98, 2586033), (114, 2223081), (126, 2011359), (133, 1905498), (142, 1784727), (147, 1724022), (171, 1482054), (189, 1340906), (213, 1189818), (266, 952749), (294, 862011), (342, 741027), (378, 670453), (399, 635166), (426, 594909), (441, 574674), (497, 509922), (513, 494018), (639, 396606), (798, 317583), (882, 287337), (931, 272214), (994, 254961), (1026, 247009), (1197, 211722), (1278, 198303), (1323, 191558), (1349, 187866), (1491, 169974), (1862, 136107), (1917, 132202), (2394, 105861), (2646, 95779), (2698, 93933), (2793, 90738), (2982, 84987), (3479, 72846), (3591, 70574), (3834, 66101), (4047, 62622), (4473, 56658), (5041, 50274), (5586, 45369), (6958, 36423), (7182, 35287), (8094, 31311), (8379, 30246), (8946, 28329), (9443, 26838), (10082, 25137), (10437, 24282), (12141, 20874), (13419, 18886), (15123, 16758)]