81264907136

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3943367}}^1$

素因数の和:3943411

約数の個数: 64

約数和(自身を含む): 193067297280

約数和(自身を除く): 111802390144

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 322, 368, 448, 644, 736, 896, 1288, 1472, 2576, 2944, 5152, 10304, 20608, 3943367, 7886734, 15773468, 27603569, 31546936, 55207138, 63093872, 90697441, 110414276, 126187744, 181394882, 220828552, 252375488, 362789764, 441657104, 504750976, 634882087, 725579528, 883314208, 1269764174, 1451159056, 1766628416, 2539528348, 2902318112, 3533256832, 5079056696, 5804636224, 10158113392, 11609272448, 20316226784, 40632453568, 81264907136]

約数ペア:

[(1, 81264907136), (2, 40632453568), (4, 20316226784), (7, 11609272448), (8, 10158113392), (14, 5804636224), (16, 5079056696), (23, 3533256832), (28, 2902318112), (32, 2539528348), (46, 1766628416), (56, 1451159056), (64, 1269764174), (92, 883314208), (112, 725579528), (128, 634882087), (161, 504750976), (184, 441657104), (224, 362789764), (322, 252375488), (368, 220828552), (448, 181394882), (644, 126187744), (736, 110414276), (896, 90697441), (1288, 63093872), (1472, 55207138), (2576, 31546936), (2944, 27603569), (5152, 15773468), (10304, 7886734), (20608, 3943367)]