131211136

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{6367}}^1$

素因数の和:6411

約数の個数: 64

約数和(自身を含む): 311777280

約数和(自身を除く): 180566144

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, 6367, 10304, 12734, 20608, 25468, 44569, 50936, 89138, 101872, 146441, 178276, 203744, 292882, 356552, 407488, 585764, 713104, 814976, 1025087, 1171528, 1426208, 2050174, 2343056, 2852416, 4100348, 4686112, 5704832, 8200696, 9372224, 16401392, 18744448, 32802784, 65605568, 131211136]

約数ペア:

[(1, 131211136), (2, 65605568), (4, 32802784), (7, 18744448), (8, 16401392), (14, 9372224), (16, 8200696), (23, 5704832), (28, 4686112), (32, 4100348), (46, 2852416), (56, 2343056), (64, 2050174), (92, 1426208), (112, 1171528), (128, 1025087), (161, 814976), (184, 713104), (224, 585764), (322, 407488), (368, 356552), (448, 292882), (644, 203744), (736, 178276), (896, 146441), (1288, 101872), (1472, 89138), (2576, 50936), (2944, 44569), (5152, 25468), (6367, 20608), (10304, 12734)]