128751616

素因数分解:

$2^{11}\times 7^2\times {\mathrm{1283}}^1$

素因数の和:1319

約数の個数: 72

約数和(自身を含む): 299704860

約数和(自身を除く): 170953244

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 392, 448, 512, 784, 896, 1024, 1283, 1568, 1792, 2048, 2566, 3136, 3584, 5132, 6272, 7168, 8981, 10264, 12544, 14336, 17962, 20528, 25088, 35924, 41056, 50176, 62867, 71848, 82112, 100352, 125734, 143696, 164224, 251468, 287392, 328448, 502936, 574784, 656896, 1005872, 1149568, 1313792, 2011744, 2299136, 2627584, 4023488, 4598272, 8046976, 9196544, 16093952, 18393088, 32187904, 64375808, 128751616]

約数ペア:

[(1, 128751616), (2, 64375808), (4, 32187904), (7, 18393088), (8, 16093952), (14, 9196544), (16, 8046976), (28, 4598272), (32, 4023488), (49, 2627584), (56, 2299136), (64, 2011744), (98, 1313792), (112, 1149568), (128, 1005872), (196, 656896), (224, 574784), (256, 502936), (392, 328448), (448, 287392), (512, 251468), (784, 164224), (896, 143696), (1024, 125734), (1283, 100352), (1568, 82112), (1792, 71848), (2048, 62867), (2566, 50176), (3136, 41056), (3584, 35924), (5132, 25088), (6272, 20528), (7168, 17962), (8981, 14336), (10264, 12544)]