254555392

素因数分解:

$2^8\times 7^3\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:273

約数の個数: 144

約数和(自身を含む): 640998400

約数和(自身を除く): 386443008

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 182, 196, 208, 223, 224, 256, 343, 364, 392, 416, 446, 448, 637, 686, 728, 784, 832, 892, 896, 1274, 1372, 1456, 1561, 1568, 1664, 1784, 1792, 2548, 2744, 2899, 2912, 3122, 3136, 3328, 3568, 4459, 5096, 5488, 5798, 5824, 6244, 6272, 7136, 8918, 10192, 10927, 10976, 11596, 11648, 12488, 12544, 14272, 17836, 20293, 20384, 21854, 21952, 23192, 23296, 24976, 28544, 35672, 40586, 40768, 43708, 43904, 46384, 49952, 57088, 71344, 76489, 81172, 81536, 87416, 87808, 92768, 99904, 142051, 142688, 152978, 162344, 163072, 174832, 185536, 199808, 284102, 285376, 305956, 324688, 349664, 371072, 399616, 568204, 570752, 611912, 649376, 699328, 742144, 994357, 1136408, 1141504, 1223824, 1298752, 1398656, 1988714, 2272816, 2447648, 2597504, 2797312, 3977428, 4545632, 4895296, 5195008, 7954856, 9091264, 9790592, 15909712, 18182528, 19581184, 31819424, 36365056, 63638848, 127277696, 254555392]

約数ペア:

[(1, 254555392), (2, 127277696), (4, 63638848), (7, 36365056), (8, 31819424), (13, 19581184), (14, 18182528), (16, 15909712), (26, 9790592), (28, 9091264), (32, 7954856), (49, 5195008), (52, 4895296), (56, 4545632), (64, 3977428), (91, 2797312), (98, 2597504), (104, 2447648), (112, 2272816), (128, 1988714), (182, 1398656), (196, 1298752), (208, 1223824), (223, 1141504), (224, 1136408), (256, 994357), (343, 742144), (364, 699328), (392, 649376), (416, 611912), (446, 570752), (448, 568204), (637, 399616), (686, 371072), (728, 349664), (784, 324688), (832, 305956), (892, 285376), (896, 284102), (1274, 199808), (1372, 185536), (1456, 174832), (1561, 163072), (1568, 162344), (1664, 152978), (1784, 142688), (1792, 142051), (2548, 99904), (2744, 92768), (2899, 87808), (2912, 87416), (3122, 81536), (3136, 81172), (3328, 76489), (3568, 71344), (4459, 57088), (5096, 49952), (5488, 46384), (5798, 43904), (5824, 43708), (6244, 40768), (6272, 40586), (7136, 35672), (8918, 28544), (10192, 24976), (10927, 23296), (10976, 23192), (11596, 21952), (11648, 21854), (12488, 20384), (12544, 20293), (14272, 17836)]