639248972

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{439}}^1\times {\mathrm{12553}}^1$

素因数の和:13025

約数の個数: 24

約数和(自身を含む): 1159989600

約数和(自身を除く): 520740628

約数列:

[1, 2, 4, 29, 58, 116, 439, 878, 1756, 12553, 12731, 25106, 25462, 50212, 50924, 364037, 728074, 1456148, 5510767, 11021534, 22043068, 159812243, 319624486, 639248972]

約数ペア:

[(1, 639248972), (2, 319624486), (4, 159812243), (29, 22043068), (58, 11021534), (116, 5510767), (439, 1456148), (878, 728074), (1756, 364037), (12553, 50924), (12731, 50212), (25106, 25462)]