8868727505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{16339}}^1$

素因数の和:16565

約数の個数: 32

約数和(自身を含む): 11858918400

約数和(自身を除く): 2990190895

約数列:

[1, 5, 11, 55, 71, 139, 355, 695, 781, 1529, 3905, 7645, 9869, 16339, 49345, 81695, 108559, 179729, 542795, 898645, 1160069, 2271121, 5800345, 11355605, 12760759, 24982331, 63803795, 124911655, 161249591, 806247955, 1773745501, 8868727505]

約数ペア:

[(1, 8868727505), (5, 1773745501), (11, 806247955), (55, 161249591), (71, 124911655), (139, 63803795), (355, 24982331), (695, 12760759), (781, 11355605), (1529, 5800345), (3905, 2271121), (7645, 1160069), (9869, 898645), (16339, 542795), (49345, 179729), (81695, 108559)]