12729886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{353}}^1$

素因数の和:460

約数の個数: 32

約数和(自身を含む): 22004640

約数和(自身を除く): 9274754

約数列:

[1, 2, 13, 19, 26, 38, 73, 146, 247, 353, 494, 706, 949, 1387, 1898, 2774, 4589, 6707, 9178, 13414, 18031, 25769, 36062, 51538, 87191, 174382, 334997, 489611, 669994, 979222, 6364943, 12729886]

約数ペア:

[(1, 12729886), (2, 6364943), (13, 979222), (19, 669994), (26, 489611), (38, 334997), (73, 174382), (146, 87191), (247, 51538), (353, 36062), (494, 25769), (706, 18031), (949, 13414), (1387, 9178), (1898, 6707), (2774, 4589)]