647647616

素因数分解:

$2^7\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2857}}^1$

素因数の和:2912

約数の個数: 128

約数和(自身を含む): 1679132160

約数和(自身を除く): 1031484544

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 23, 28, 32, 44, 46, 56, 64, 77, 88, 92, 112, 128, 154, 161, 176, 184, 224, 253, 308, 322, 352, 368, 448, 506, 616, 644, 704, 736, 896, 1012, 1232, 1288, 1408, 1472, 1771, 2024, 2464, 2576, 2857, 2944, 3542, 4048, 4928, 5152, 5714, 7084, 8096, 9856, 10304, 11428, 14168, 16192, 19999, 20608, 22856, 28336, 31427, 32384, 39998, 45712, 56672, 62854, 65711, 79996, 91424, 113344, 125708, 131422, 159992, 182848, 219989, 226688, 251416, 262844, 319984, 365696, 439978, 459977, 502832, 525688, 639968, 722821, 879956, 919954, 1005664, 1051376, 1279936, 1445642, 1759912, 1839908, 2011328, 2102752, 2559872, 2891284, 3519824, 3679816, 4022656, 4205504, 5059747, 5782568, 7039648, 7359632, 8411008, 10119494, 11565136, 14079296, 14719264, 20238988, 23130272, 28158592, 29438528, 40477976, 46260544, 58877056, 80955952, 92521088, 161911904, 323823808, 647647616]

約数ペア:

[(1, 647647616), (2, 323823808), (4, 161911904), (7, 92521088), (8, 80955952), (11, 58877056), (14, 46260544), (16, 40477976), (22, 29438528), (23, 28158592), (28, 23130272), (32, 20238988), (44, 14719264), (46, 14079296), (56, 11565136), (64, 10119494), (77, 8411008), (88, 7359632), (92, 7039648), (112, 5782568), (128, 5059747), (154, 4205504), (161, 4022656), (176, 3679816), (184, 3519824), (224, 2891284), (253, 2559872), (308, 2102752), (322, 2011328), (352, 1839908), (368, 1759912), (448, 1445642), (506, 1279936), (616, 1051376), (644, 1005664), (704, 919954), (736, 879956), (896, 722821), (1012, 639968), (1232, 525688), (1288, 502832), (1408, 459977), (1472, 439978), (1771, 365696), (2024, 319984), (2464, 262844), (2576, 251416), (2857, 226688), (2944, 219989), (3542, 182848), (4048, 159992), (4928, 131422), (5152, 125708), (5714, 113344), (7084, 91424), (8096, 79996), (9856, 65711), (10304, 62854), (11428, 56672), (14168, 45712), (16192, 39998), (19999, 32384), (20608, 31427), (22856, 28336)]