407641619

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{241}}^1\times {\mathrm{1997}}^1$

素因数の和:2267

約数の個数: 24

約数和(自身を含む): 514461024

約数和(自身を除く): 106819405

約数列:

[1, 7, 11, 77, 121, 241, 847, 1687, 1997, 2651, 13979, 18557, 21967, 29161, 153769, 204127, 241637, 481277, 1691459, 3368939, 5294047, 37058329, 58234517, 407641619]

約数ペア:

[(1, 407641619), (7, 58234517), (11, 37058329), (77, 5294047), (121, 3368939), (241, 1691459), (847, 481277), (1687, 241637), (1997, 204127), (2651, 153769), (13979, 29161), (18557, 21967)]