639883604

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{9410053}}^1$

素因数の和:9410074

約数の個数: 12

約数和(自身を含む): 1185666804

約数和(自身を除く): 545783200

約数列:

[1, 2, 4, 17, 34, 68, 9410053, 18820106, 37640212, 159970901, 319941802, 639883604]

約数ペア:

[(1, 639883604), (2, 319941802), (4, 159970901), (17, 37640212), (34, 18820106), (68, 9410053)]