12740476

素因数分解:

$2^2\times 7^1\times {\mathrm{353}}^1\times {\mathrm{1289}}^1$

素因数の和:1653

約数の個数: 24

約数和(自身を含む): 25572960

約数和(自身を除く): 12832484

約数列:

[1, 2, 4, 7, 14, 28, 353, 706, 1289, 1412, 2471, 2578, 4942, 5156, 9023, 9884, 18046, 36092, 455017, 910034, 1820068, 3185119, 6370238, 12740476]

約数ペア:

[(1, 12740476), (2, 6370238), (4, 3185119), (7, 1820068), (14, 910034), (28, 455017), (353, 36092), (706, 18046), (1289, 9884), (1412, 9023), (2471, 5156), (2578, 4942)]