1998397952

素因数分解:

$2^9\times {\mathrm{353}}^1\times {\mathrm{11057}}^1$

素因数の和:11428

約数の個数: 40

約数和(自身を含む): 4004566236

約数和(自身を除く): 2006168284

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 353, 512, 706, 1412, 2824, 5648, 11057, 11296, 22114, 22592, 44228, 45184, 88456, 90368, 176912, 180736, 353824, 707648, 1415296, 2830592, 3903121, 5661184, 7806242, 15612484, 31224968, 62449936, 124899872, 249799744, 499599488, 999198976, 1998397952]

約数ペア:

[(1, 1998397952), (2, 999198976), (4, 499599488), (8, 249799744), (16, 124899872), (32, 62449936), (64, 31224968), (128, 15612484), (256, 7806242), (353, 5661184), (512, 3903121), (706, 2830592), (1412, 1415296), (2824, 707648), (5648, 353824), (11057, 180736), (11296, 176912), (22114, 90368), (22592, 88456), (44228, 45184)]