389614918

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{1811}}^1$

素因数の和:1969

約数の個数: 48

約数和(自身を含む): 740339712

約数和(自身を除く): 350724794

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 127, 154, 242, 254, 847, 889, 1397, 1694, 1778, 1811, 2794, 3622, 9779, 12677, 15367, 19558, 19921, 25354, 30734, 39842, 107569, 139447, 215138, 219131, 229997, 278894, 438262, 459994, 1533917, 1609979, 2529967, 3067834, 3219958, 5059934, 17709769, 27829637, 35419538, 55659274, 194807459, 389614918]

約数ペア:

[(1, 389614918), (2, 194807459), (7, 55659274), (11, 35419538), (14, 27829637), (22, 17709769), (77, 5059934), (121, 3219958), (127, 3067834), (154, 2529967), (242, 1609979), (254, 1533917), (847, 459994), (889, 438262), (1397, 278894), (1694, 229997), (1778, 219131), (1811, 215138), (2794, 139447), (3622, 107569), (9779, 39842), (12677, 30734), (15367, 25354), (19558, 19921)]