81169088

素因数分解:

$2^6\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1$

素因数の和:231

約数の個数: 168

約数和(自身を含む): 221339664

約数和(自身を除く): 140170576

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 49, 52, 56, 64, 77, 88, 91, 98, 104, 112, 143, 154, 176, 181, 182, 196, 208, 224, 286, 308, 352, 362, 364, 392, 416, 448, 539, 572, 616, 637, 704, 724, 728, 784, 832, 1001, 1078, 1144, 1232, 1267, 1274, 1448, 1456, 1568, 1991, 2002, 2156, 2288, 2353, 2464, 2534, 2548, 2896, 2912, 3136, 3982, 4004, 4312, 4576, 4706, 4928, 5068, 5096, 5792, 5824, 7007, 7964, 8008, 8624, 8869, 9152, 9412, 10136, 10192, 11584, 13937, 14014, 15928, 16016, 16471, 17248, 17738, 18824, 20272, 20384, 25883, 27874, 28028, 31856, 32032, 32942, 34496, 35476, 37648, 40544, 40768, 51766, 55748, 56056, 63712, 64064, 65884, 70952, 75296, 81088, 97559, 103532, 111496, 112112, 115297, 127424, 131768, 141904, 150592, 181181, 195118, 207064, 222992, 224224, 230594, 263536, 283808, 362362, 390236, 414128, 445984, 448448, 461188, 527072, 567616, 724724, 780472, 828256, 891968, 922376, 1054144, 1268267, 1449448, 1560944, 1656512, 1844752, 2536534, 2898896, 3121888, 3689504, 5073068, 5797792, 6243776, 7379008, 10146136, 11595584, 20292272, 40584544, 81169088]

約数ペア:

[(1, 81169088), (2, 40584544), (4, 20292272), (7, 11595584), (8, 10146136), (11, 7379008), (13, 6243776), (14, 5797792), (16, 5073068), (22, 3689504), (26, 3121888), (28, 2898896), (32, 2536534), (44, 1844752), (49, 1656512), (52, 1560944), (56, 1449448), (64, 1268267), (77, 1054144), (88, 922376), (91, 891968), (98, 828256), (104, 780472), (112, 724724), (143, 567616), (154, 527072), (176, 461188), (181, 448448), (182, 445984), (196, 414128), (208, 390236), (224, 362362), (286, 283808), (308, 263536), (352, 230594), (362, 224224), (364, 222992), (392, 207064), (416, 195118), (448, 181181), (539, 150592), (572, 141904), (616, 131768), (637, 127424), (704, 115297), (724, 112112), (728, 111496), (784, 103532), (832, 97559), (1001, 81088), (1078, 75296), (1144, 70952), (1232, 65884), (1267, 64064), (1274, 63712), (1448, 56056), (1456, 55748), (1568, 51766), (1991, 40768), (2002, 40544), (2156, 37648), (2288, 35476), (2353, 34496), (2464, 32942), (2534, 32032), (2548, 31856), (2896, 28028), (2912, 27874), (3136, 25883), (3982, 20384), (4004, 20272), (4312, 18824), (4576, 17738), (4706, 17248), (4928, 16471), (5068, 16016), (5096, 15928), (5792, 14014), (5824, 13937), (7007, 11584), (7964, 10192), (8008, 10136), (8624, 9412), (8869, 9152)]