211287258

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:154

約数の個数: 256

約数和(自身を含む): 636518400

約数和(自身を除く): 425231142

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 19, 21, 26, 27, 31, 38, 39, 42, 54, 57, 62, 63, 73, 78, 91, 93, 114, 117, 126, 133, 146, 171, 182, 186, 189, 217, 219, 234, 247, 266, 273, 279, 342, 351, 378, 399, 403, 434, 438, 494, 511, 513, 546, 558, 589, 651, 657, 702, 741, 798, 806, 819, 837, 949, 1022, 1026, 1178, 1197, 1209, 1302, 1314, 1387, 1482, 1533, 1638, 1674, 1729, 1767, 1898, 1953, 1971, 2223, 2263, 2394, 2418, 2457, 2774, 2821, 2847, 3066, 3458, 3534, 3591, 3627, 3906, 3942, 4123, 4161, 4446, 4526, 4599, 4914, 5187, 5301, 5642, 5694, 5859, 6643, 6669, 6789, 7182, 7254, 7657, 8246, 8322, 8463, 8541, 9198, 9709, 10374, 10602, 10881, 11718, 12369, 12483, 13286, 13338, 13578, 13797, 15314, 15561, 15841, 15903, 16926, 17082, 18031, 19418, 19929, 20367, 21762, 22971, 24738, 24966, 25389, 25623, 27594, 29127, 29419, 31122, 31682, 31806, 36062, 37107, 37449, 39858, 40734, 42997, 45942, 46683, 47523, 50778, 51246, 53599, 54093, 58254, 58838, 59787, 61101, 68913, 74214, 74898, 76167, 85994, 87381, 88257, 93366, 95046, 107198, 108186, 111321, 119574, 122202, 126217, 128991, 137826, 142569, 152334, 160797, 162279, 174762, 176514, 179361, 205933, 206739, 222642, 252434, 257982, 262143, 264771, 285138, 300979, 321594, 324558, 358722, 378651, 386973, 411866, 413478, 427707, 482391, 486837, 524286, 529542, 558961, 601958, 617799, 757302, 773946, 794313, 855414, 902937, 964782, 973674, 1117922, 1135953, 1160919, 1235598, 1447173, 1588626, 1676883, 1805874, 1853397, 2271906, 2321838, 2708811, 2894346, 3353766, 3407859, 3706794, 3912727, 5030649, 5417622, 5560191, 6815718, 7825454, 8126433, 10061298, 11120382, 11738181, 15091947, 16252866, 23476362, 30183894, 35214543, 70429086, 105643629, 211287258]

約数ペア:

[(1, 211287258), (2, 105643629), (3, 70429086), (6, 35214543), (7, 30183894), (9, 23476362), (13, 16252866), (14, 15091947), (18, 11738181), (19, 11120382), (21, 10061298), (26, 8126433), (27, 7825454), (31, 6815718), (38, 5560191), (39, 5417622), (42, 5030649), (54, 3912727), (57, 3706794), (62, 3407859), (63, 3353766), (73, 2894346), (78, 2708811), (91, 2321838), (93, 2271906), (114, 1853397), (117, 1805874), (126, 1676883), (133, 1588626), (146, 1447173), (171, 1235598), (182, 1160919), (186, 1135953), (189, 1117922), (217, 973674), (219, 964782), (234, 902937), (247, 855414), (266, 794313), (273, 773946), (279, 757302), (342, 617799), (351, 601958), (378, 558961), (399, 529542), (403, 524286), (434, 486837), (438, 482391), (494, 427707), (511, 413478), (513, 411866), (546, 386973), (558, 378651), (589, 358722), (651, 324558), (657, 321594), (702, 300979), (741, 285138), (798, 264771), (806, 262143), (819, 257982), (837, 252434), (949, 222642), (1022, 206739), (1026, 205933), (1178, 179361), (1197, 176514), (1209, 174762), (1302, 162279), (1314, 160797), (1387, 152334), (1482, 142569), (1533, 137826), (1638, 128991), (1674, 126217), (1729, 122202), (1767, 119574), (1898, 111321), (1953, 108186), (1971, 107198), (2223, 95046), (2263, 93366), (2394, 88257), (2418, 87381), (2457, 85994), (2774, 76167), (2821, 74898), (2847, 74214), (3066, 68913), (3458, 61101), (3534, 59787), (3591, 58838), (3627, 58254), (3906, 54093), (3942, 53599), (4123, 51246), (4161, 50778), (4446, 47523), (4526, 46683), (4599, 45942), (4914, 42997), (5187, 40734), (5301, 39858), (5642, 37449), (5694, 37107), (5859, 36062), (6643, 31806), (6669, 31682), (6789, 31122), (7182, 29419), (7254, 29127), (7657, 27594), (8246, 25623), (8322, 25389), (8463, 24966), (8541, 24738), (9198, 22971), (9709, 21762), (10374, 20367), (10602, 19929), (10881, 19418), (11718, 18031), (12369, 17082), (12483, 16926), (13286, 15903), (13338, 15841), (13578, 15561), (13797, 15314)]