81504338

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1\times {\mathrm{3187}}^1$

素因数の和:3881

約数の個数: 16

約数和(自身を含む): 128922720

約数和(自身を除く): 47418382

約数列:

[1, 2, 19, 38, 673, 1346, 3187, 6374, 12787, 25574, 60553, 121106, 2144851, 4289702, 40752169, 81504338]

約数ペア:

[(1, 81504338), (2, 40752169), (19, 4289702), (38, 2144851), (673, 121106), (1346, 60553), (3187, 25574), (6374, 12787)]