1649636864

素因数分解:

$2^9\times {\mathrm{43}}^1\times {\mathrm{74929}}^1$

素因数の和:74990

約数の個数: 40

約数和(自身を含む): 3372749160

約数和(自身を除く): 1723112296

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 512, 688, 1376, 2752, 5504, 11008, 22016, 74929, 149858, 299716, 599432, 1198864, 2397728, 3221947, 4795456, 6443894, 9590912, 12887788, 19181824, 25775576, 38363648, 51551152, 103102304, 206204608, 412409216, 824818432, 1649636864]

約数ペア:

[(1, 1649636864), (2, 824818432), (4, 412409216), (8, 206204608), (16, 103102304), (32, 51551152), (43, 38363648), (64, 25775576), (86, 19181824), (128, 12887788), (172, 9590912), (256, 6443894), (344, 4795456), (512, 3221947), (688, 2397728), (1376, 1198864), (2752, 599432), (5504, 299716), (11008, 149858), (22016, 74929)]