12781994

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{3449}}^1$

素因数の和:3577

約数の個数: 16

約数和(自身を含む): 20493000

約数和(自身を除く): 7711006

約数列:

[1, 2, 17, 34, 109, 218, 1853, 3449, 3706, 6898, 58633, 117266, 375941, 751882, 6390997, 12781994]

約数ペア:

[(1, 12781994), (2, 6390997), (17, 751882), (34, 375941), (109, 117266), (218, 58633), (1853, 6898), (3449, 3706)]