251966078

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:178

約数の個数: 128

約数和(自身を含む): 529514496

約数和(自身を除く): 277548418

約数列:

[1, 2, 7, 13, 14, 17, 26, 31, 34, 37, 62, 71, 74, 91, 119, 142, 182, 217, 221, 238, 259, 403, 434, 442, 481, 497, 518, 527, 629, 806, 923, 962, 994, 1054, 1147, 1207, 1258, 1547, 1846, 2201, 2294, 2414, 2627, 2821, 3094, 3367, 3689, 4402, 4403, 5254, 5642, 6461, 6734, 6851, 7378, 8029, 8177, 8449, 8806, 12922, 13702, 14911, 15407, 15691, 16058, 16354, 16898, 18389, 19499, 28613, 29822, 30814, 31382, 34151, 36778, 37417, 38998, 44659, 47957, 57226, 57239, 68302, 74834, 81437, 89318, 95914, 104377, 109837, 114478, 136493, 162874, 200291, 208754, 219674, 239057, 253487, 261919, 272986, 312613, 400582, 478114, 486421, 506974, 523838, 570059, 580567, 625226, 972842, 1058681, 1140118, 1161134, 1384429, 1774409, 2117362, 2768858, 3404947, 3548818, 4063969, 6809894, 7410767, 8127938, 9691003, 14821534, 17997577, 19382006, 35995154, 125983039, 251966078]

約数ペア:

[(1, 251966078), (2, 125983039), (7, 35995154), (13, 19382006), (14, 17997577), (17, 14821534), (26, 9691003), (31, 8127938), (34, 7410767), (37, 6809894), (62, 4063969), (71, 3548818), (74, 3404947), (91, 2768858), (119, 2117362), (142, 1774409), (182, 1384429), (217, 1161134), (221, 1140118), (238, 1058681), (259, 972842), (403, 625226), (434, 580567), (442, 570059), (481, 523838), (497, 506974), (518, 486421), (527, 478114), (629, 400582), (806, 312613), (923, 272986), (962, 261919), (994, 253487), (1054, 239057), (1147, 219674), (1207, 208754), (1258, 200291), (1547, 162874), (1846, 136493), (2201, 114478), (2294, 109837), (2414, 104377), (2627, 95914), (2821, 89318), (3094, 81437), (3367, 74834), (3689, 68302), (4402, 57239), (4403, 57226), (5254, 47957), (5642, 44659), (6461, 38998), (6734, 37417), (6851, 36778), (7378, 34151), (8029, 31382), (8177, 30814), (8449, 29822), (8806, 28613), (12922, 19499), (13702, 18389), (14911, 16898), (15407, 16354), (15691, 16058)]