128518136

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{180503}}^1$

素因数の和:180598

約数の個数: 16

約数和(自身を含む): 243680400

約数和(自身を除く): 115162264

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 180503, 361006, 722012, 1444024, 16064767, 32129534, 64259068, 128518136]

約数ペア:

[(1, 128518136), (2, 64259068), (4, 32129534), (8, 16064767), (89, 1444024), (178, 722012), (356, 361006), (712, 180503)]