2008488955

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{9109}}^1$

素因数の和:9355

約数の個数: 32

約数和(自身を含む): 2781100800

約数和(自身を除く): 772611845

約数列:

[1, 5, 11, 19, 55, 95, 209, 211, 1045, 1055, 2321, 4009, 9109, 11605, 20045, 44099, 45545, 100199, 173071, 220495, 500995, 865355, 1903781, 1921999, 9518905, 9609995, 21141989, 36517981, 105709945, 182589905, 401697791, 2008488955]

約数ペア:

[(1, 2008488955), (5, 401697791), (11, 182589905), (19, 105709945), (55, 36517981), (95, 21141989), (209, 9609995), (211, 9518905), (1045, 1921999), (1055, 1903781), (2321, 865355), (4009, 500995), (9109, 220495), (11605, 173071), (20045, 100199), (44099, 45545)]