81666816

素因数分解:

$2^8\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1381}}^1$

素因数の和:1418

約数の個数: 144

約数和(自身を含む): 271181568

約数和(自身を除く): 189514752

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 32, 33, 42, 44, 48, 56, 64, 66, 77, 84, 88, 96, 112, 128, 132, 154, 168, 176, 192, 224, 231, 256, 264, 308, 336, 352, 384, 448, 462, 528, 616, 672, 704, 768, 896, 924, 1056, 1232, 1344, 1381, 1408, 1792, 1848, 2112, 2464, 2688, 2762, 2816, 3696, 4143, 4224, 4928, 5376, 5524, 7392, 8286, 8448, 9667, 9856, 11048, 14784, 15191, 16572, 19334, 19712, 22096, 29001, 29568, 30382, 33144, 38668, 44192, 45573, 58002, 59136, 60764, 66288, 77336, 88384, 91146, 106337, 116004, 121528, 132576, 154672, 176768, 182292, 212674, 232008, 243056, 265152, 309344, 319011, 353536, 364584, 425348, 464016, 486112, 530304, 618688, 638022, 729168, 850696, 928032, 972224, 1060608, 1237376, 1276044, 1458336, 1701392, 1856064, 1944448, 2474752, 2552088, 2916672, 3402784, 3712128, 3888896, 5104176, 5833344, 6805568, 7424256, 10208352, 11666688, 13611136, 20416704, 27222272, 40833408, 81666816]

約数ペア:

[(1, 81666816), (2, 40833408), (3, 27222272), (4, 20416704), (6, 13611136), (7, 11666688), (8, 10208352), (11, 7424256), (12, 6805568), (14, 5833344), (16, 5104176), (21, 3888896), (22, 3712128), (24, 3402784), (28, 2916672), (32, 2552088), (33, 2474752), (42, 1944448), (44, 1856064), (48, 1701392), (56, 1458336), (64, 1276044), (66, 1237376), (77, 1060608), (84, 972224), (88, 928032), (96, 850696), (112, 729168), (128, 638022), (132, 618688), (154, 530304), (168, 486112), (176, 464016), (192, 425348), (224, 364584), (231, 353536), (256, 319011), (264, 309344), (308, 265152), (336, 243056), (352, 232008), (384, 212674), (448, 182292), (462, 176768), (528, 154672), (616, 132576), (672, 121528), (704, 116004), (768, 106337), (896, 91146), (924, 88384), (1056, 77336), (1232, 66288), (1344, 60764), (1381, 59136), (1408, 58002), (1792, 45573), (1848, 44192), (2112, 38668), (2464, 33144), (2688, 30382), (2762, 29568), (2816, 29001), (3696, 22096), (4143, 19712), (4224, 19334), (4928, 16572), (5376, 15191), (5524, 14784), (7392, 11048), (8286, 9856), (8448, 9667)]