128333233

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{349}}^1\times {\mathrm{401}}^1$

素因数の和:888

約数の個数: 16

約数和(自身を含む): 148579200

約数和(自身を除く): 20245967

約数列:

[1, 7, 131, 349, 401, 917, 2443, 2807, 45719, 52531, 139949, 320033, 367717, 979643, 18333319, 128333233]

約数ペア:

[(1, 128333233), (7, 18333319), (131, 979643), (349, 367717), (401, 320033), (917, 139949), (2443, 52531), (2807, 45719)]