639792008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{4704353}}^1$

素因数の和:4704376

約数の個数: 16

約数和(自身を含む): 1270175580

約数和(自身を除く): 630383572

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 4704353, 9408706, 18817412, 37634824, 79974001, 159948002, 319896004, 639792008]

約数ペア:

[(1, 639792008), (2, 319896004), (4, 159948002), (8, 79974001), (17, 37634824), (34, 18817412), (68, 9408706), (136, 4704353)]