1290905854

素因数分解:

$2^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1961863}}^1$

素因数の和:1961919

約数の個数: 16

約数和(自身を含む): 2260067328

約数和(自身を除く): 969161474

約数列:

[1, 2, 7, 14, 47, 94, 329, 658, 1961863, 3923726, 13733041, 27466082, 92207561, 184415122, 645452927, 1290905854]

約数ペア:

[(1, 1290905854), (2, 645452927), (7, 184415122), (14, 92207561), (47, 27466082), (94, 13733041), (329, 3923726), (658, 1961863)]