126816907

素因数分解:

$7^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1\times {\mathrm{449}}^1$

素因数の和:870

約数の個数: 16

約数和(自身を含む): 146750400

約数和(自身を除く): 19933493

約数列:

[1, 7, 157, 257, 449, 1099, 1799, 3143, 40349, 70493, 115393, 282443, 493451, 807751, 18116701, 126816907]

約数ペア:

[(1, 126816907), (7, 18116701), (157, 807751), (257, 493451), (449, 282443), (1099, 115393), (1799, 70493), (3143, 40349)]