257177844

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{257}}^1$

素因数の和:323

約数の個数: 216

約数和(自身を含む): 858731328

約数和(自身を除く): 601553484

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 19, 21, 22, 28, 33, 36, 38, 42, 44, 57, 63, 66, 76, 77, 84, 99, 114, 126, 132, 133, 154, 171, 198, 209, 228, 231, 252, 257, 266, 308, 342, 361, 396, 399, 418, 462, 514, 532, 627, 684, 693, 722, 771, 798, 836, 924, 1028, 1083, 1197, 1254, 1386, 1444, 1463, 1542, 1596, 1799, 1881, 2166, 2313, 2394, 2508, 2527, 2772, 2827, 2926, 3084, 3249, 3598, 3762, 3971, 4332, 4389, 4626, 4788, 4883, 5054, 5397, 5654, 5852, 6498, 7196, 7524, 7581, 7942, 8481, 8778, 9252, 9766, 10108, 10794, 11308, 11913, 12996, 13167, 14649, 15162, 15884, 16191, 16962, 17556, 19532, 19789, 21588, 22743, 23826, 25443, 26334, 27797, 29298, 30324, 32382, 33924, 34181, 35739, 39578, 43947, 45486, 47652, 50886, 52668, 53713, 55594, 58596, 59367, 64764, 68362, 71478, 79156, 83391, 87894, 90972, 92777, 101772, 102543, 107426, 111188, 118734, 136724, 142956, 161139, 166782, 175788, 178101, 185554, 205086, 214852, 237468, 250173, 278331, 307629, 322278, 333564, 356202, 371108, 375991, 410172, 483417, 500346, 556662, 615258, 644556, 649439, 712404, 751982, 834993, 966834, 1000692, 1020547, 1113324, 1127973, 1230516, 1298878, 1503964, 1669986, 1933668, 1948317, 2041094, 2255946, 2597756, 3061641, 3339972, 3383919, 3896634, 4082188, 4511892, 5844951, 6123282, 6767838, 7143829, 7793268, 9184923, 11689902, 12246564, 13535676, 14287658, 18369846, 21431487, 23379804, 28575316, 36739692, 42862974, 64294461, 85725948, 128588922, 257177844]

約数ペア:

[(1, 257177844), (2, 128588922), (3, 85725948), (4, 64294461), (6, 42862974), (7, 36739692), (9, 28575316), (11, 23379804), (12, 21431487), (14, 18369846), (18, 14287658), (19, 13535676), (21, 12246564), (22, 11689902), (28, 9184923), (33, 7793268), (36, 7143829), (38, 6767838), (42, 6123282), (44, 5844951), (57, 4511892), (63, 4082188), (66, 3896634), (76, 3383919), (77, 3339972), (84, 3061641), (99, 2597756), (114, 2255946), (126, 2041094), (132, 1948317), (133, 1933668), (154, 1669986), (171, 1503964), (198, 1298878), (209, 1230516), (228, 1127973), (231, 1113324), (252, 1020547), (257, 1000692), (266, 966834), (308, 834993), (342, 751982), (361, 712404), (396, 649439), (399, 644556), (418, 615258), (462, 556662), (514, 500346), (532, 483417), (627, 410172), (684, 375991), (693, 371108), (722, 356202), (771, 333564), (798, 322278), (836, 307629), (924, 278331), (1028, 250173), (1083, 237468), (1197, 214852), (1254, 205086), (1386, 185554), (1444, 178101), (1463, 175788), (1542, 166782), (1596, 161139), (1799, 142956), (1881, 136724), (2166, 118734), (2313, 111188), (2394, 107426), (2508, 102543), (2527, 101772), (2772, 92777), (2827, 90972), (2926, 87894), (3084, 83391), (3249, 79156), (3598, 71478), (3762, 68362), (3971, 64764), (4332, 59367), (4389, 58596), (4626, 55594), (4788, 53713), (4883, 52668), (5054, 50886), (5397, 47652), (5654, 45486), (5852, 43947), (6498, 39578), (7196, 35739), (7524, 34181), (7581, 33924), (7942, 32382), (8481, 30324), (8778, 29298), (9252, 27797), (9766, 26334), (10108, 25443), (10794, 23826), (11308, 22743), (11913, 21588), (12996, 19789), (13167, 19532), (14649, 17556), (15162, 16962), (15884, 16191)]