16985188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{5437}}^1$

素因数の和:5523

約数の個数: 24

約数和(自身を含む): 32889024

約数和(自身を除く): 15903836

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 5437, 10874, 21748, 59807, 119614, 239228, 386027, 772054, 1544108, 4246297, 8492594, 16985188]

約数ペア:

[(1, 16985188), (2, 8492594), (4, 4246297), (11, 1544108), (22, 772054), (44, 386027), (71, 239228), (142, 119614), (284, 59807), (781, 21748), (1562, 10874), (3124, 5437)]