12811642

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{3457}}^1$

素因数の和:3585

約数の個数: 16

約数和(自身を含む): 20540520

約数和(自身を除く): 7728878

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3457, 3706, 6914, 58769, 117538, 376813, 753626, 6405821, 12811642]

約数ペア:

[(1, 12811642), (2, 6405821), (17, 753626), (34, 376813), (109, 117538), (218, 58769), (1853, 6914), (3457, 3706)]