257876892

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1381}}^1$

素因数の和:1433

約数の個数: 192

約数和(自身を含む): 866790400

約数和(自身を除く): 608913508

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 19, 21, 26, 27, 28, 36, 38, 39, 42, 52, 54, 57, 63, 76, 78, 84, 91, 108, 114, 117, 126, 133, 156, 171, 182, 189, 228, 234, 247, 252, 266, 273, 342, 351, 364, 378, 399, 468, 494, 513, 532, 546, 684, 702, 741, 756, 798, 819, 988, 1026, 1092, 1197, 1381, 1404, 1482, 1596, 1638, 1729, 2052, 2223, 2394, 2457, 2762, 2964, 3276, 3458, 3591, 4143, 4446, 4788, 4914, 5187, 5524, 6669, 6916, 7182, 8286, 8892, 9667, 9828, 10374, 12429, 13338, 14364, 15561, 16572, 17953, 19334, 20748, 24858, 26239, 26676, 29001, 31122, 35906, 37287, 38668, 46683, 49716, 52478, 53859, 58002, 62244, 71812, 74574, 78717, 87003, 93366, 104956, 107718, 116004, 125671, 149148, 157434, 161577, 174006, 183673, 186732, 215436, 236151, 251342, 261009, 314868, 323154, 341107, 348012, 367346, 377013, 472302, 484731, 502684, 522018, 551019, 646308, 682214, 708453, 734692, 754026, 944604, 969462, 1023321, 1044036, 1102038, 1131039, 1364428, 1416906, 1508052, 1653057, 1938924, 2046642, 2204076, 2262078, 2387749, 2833812, 3069963, 3306114, 3393117, 4093284, 4524156, 4775498, 4959171, 6139926, 6612228, 6786234, 7163247, 9209889, 9550996, 9918342, 12279852, 13572468, 14326494, 18419778, 19836684, 21489741, 28652988, 36839556, 42979482, 64469223, 85958964, 128938446, 257876892]

約数ペア:

[(1, 257876892), (2, 128938446), (3, 85958964), (4, 64469223), (6, 42979482), (7, 36839556), (9, 28652988), (12, 21489741), (13, 19836684), (14, 18419778), (18, 14326494), (19, 13572468), (21, 12279852), (26, 9918342), (27, 9550996), (28, 9209889), (36, 7163247), (38, 6786234), (39, 6612228), (42, 6139926), (52, 4959171), (54, 4775498), (57, 4524156), (63, 4093284), (76, 3393117), (78, 3306114), (84, 3069963), (91, 2833812), (108, 2387749), (114, 2262078), (117, 2204076), (126, 2046642), (133, 1938924), (156, 1653057), (171, 1508052), (182, 1416906), (189, 1364428), (228, 1131039), (234, 1102038), (247, 1044036), (252, 1023321), (266, 969462), (273, 944604), (342, 754026), (351, 734692), (364, 708453), (378, 682214), (399, 646308), (468, 551019), (494, 522018), (513, 502684), (532, 484731), (546, 472302), (684, 377013), (702, 367346), (741, 348012), (756, 341107), (798, 323154), (819, 314868), (988, 261009), (1026, 251342), (1092, 236151), (1197, 215436), (1381, 186732), (1404, 183673), (1482, 174006), (1596, 161577), (1638, 157434), (1729, 149148), (2052, 125671), (2223, 116004), (2394, 107718), (2457, 104956), (2762, 93366), (2964, 87003), (3276, 78717), (3458, 74574), (3591, 71812), (4143, 62244), (4446, 58002), (4788, 53859), (4914, 52478), (5187, 49716), (5524, 46683), (6669, 38668), (6916, 37287), (7182, 35906), (8286, 31122), (8892, 29001), (9667, 26676), (9828, 26239), (10374, 24858), (12429, 20748), (13338, 19334), (14364, 17953), (15561, 16572)]