1563136

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 40

約数和(自身を含む): 3240864

約数和(自身を除く): 1677728

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 71, 86, 128, 142, 172, 256, 284, 344, 512, 568, 688, 1136, 1376, 2272, 2752, 3053, 4544, 5504, 6106, 9088, 11008, 12212, 18176, 22016, 24424, 36352, 48848, 97696, 195392, 390784, 781568, 1563136]

約数ペア:

[(1, 1563136), (2, 781568), (4, 390784), (8, 195392), (16, 97696), (32, 48848), (43, 36352), (64, 24424), (71, 22016), (86, 18176), (128, 12212), (142, 11008), (172, 9088), (256, 6106), (284, 5504), (344, 4544), (512, 3053), (568, 2752), (688, 2272), (1136, 1376)]