2008991888

素因数分解:

$2^4\times {\mathrm{3881}}^1\times {\mathrm{32353}}^1$

素因数の和:36242

約数の個数: 20

約数和(自身を含む): 3893545068

約数和(自身を除く): 1884553180

約数列:

[1, 2, 4, 8, 16, 3881, 7762, 15524, 31048, 32353, 62096, 64706, 129412, 258824, 517648, 125561993, 251123986, 502247972, 1004495944, 2008991888]

約数ペア:

[(1, 2008991888), (2, 1004495944), (4, 502247972), (8, 251123986), (16, 125561993), (3881, 517648), (7762, 258824), (15524, 129412), (31048, 64706), (32353, 62096)]