890943872

素因数分解:

$2^7\times 7^4\times {\mathrm{13}}^1\times {\mathrm{223}}^1$

素因数の和:278

約数の個数: 160

約数和(自身を含む): 2239903680

約数和(自身を除く): 1348959808

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, 343, 364, 392, 416, 446, 448, 637, 686, 728, 784, 832, 892, 896, 1274, 1372, 1456, 1561, 1568, 1664, 1784, 2401, 2548, 2744, 2899, 2912, 3122, 3136, 3568, 4459, 4802, 5096, 5488, 5798, 5824, 6244, 6272, 7136, 8918, 9604, 10192, 10927, 10976, 11596, 11648, 12488, 14272, 17836, 19208, 20293, 20384, 21854, 21952, 23192, 24976, 28544, 31213, 35672, 38416, 40586, 40768, 43708, 43904, 46384, 49952, 62426, 71344, 76489, 76832, 81172, 81536, 87416, 92768, 99904, 124852, 142051, 142688, 152978, 153664, 162344, 174832, 185536, 199808, 249704, 284102, 285376, 305956, 307328, 324688, 349664, 371072, 499408, 535423, 568204, 570752, 611912, 649376, 699328, 994357, 998816, 1070846, 1136408, 1223824, 1298752, 1398656, 1988714, 1997632, 2141692, 2272816, 2447648, 2597504, 3977428, 3995264, 4283384, 4545632, 4895296, 6960499, 7954856, 8566768, 9091264, 9790592, 13920998, 15909712, 17133536, 18182528, 27841996, 31819424, 34267072, 55683992, 63638848, 68534144, 111367984, 127277696, 222735968, 445471936, 890943872]

約数ペア:

[(1, 890943872), (2, 445471936), (4, 222735968), (7, 127277696), (8, 111367984), (13, 68534144), (14, 63638848), (16, 55683992), (26, 34267072), (28, 31819424), (32, 27841996), (49, 18182528), (52, 17133536), (56, 15909712), (64, 13920998), (91, 9790592), (98, 9091264), (104, 8566768), (112, 7954856), (128, 6960499), (182, 4895296), (196, 4545632), (208, 4283384), (223, 3995264), (224, 3977428), (343, 2597504), (364, 2447648), (392, 2272816), (416, 2141692), (446, 1997632), (448, 1988714), (637, 1398656), (686, 1298752), (728, 1223824), (784, 1136408), (832, 1070846), (892, 998816), (896, 994357), (1274, 699328), (1372, 649376), (1456, 611912), (1561, 570752), (1568, 568204), (1664, 535423), (1784, 499408), (2401, 371072), (2548, 349664), (2744, 324688), (2899, 307328), (2912, 305956), (3122, 285376), (3136, 284102), (3568, 249704), (4459, 199808), (4802, 185536), (5096, 174832), (5488, 162344), (5798, 153664), (5824, 152978), (6244, 142688), (6272, 142051), (7136, 124852), (8918, 99904), (9604, 92768), (10192, 87416), (10927, 81536), (10976, 81172), (11596, 76832), (11648, 76489), (12488, 71344), (14272, 62426), (17836, 49952), (19208, 46384), (20293, 43904), (20384, 43708), (21854, 40768), (21952, 40586), (23192, 38416), (24976, 35672), (28544, 31213)]