200557721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{129643}}^1$

素因数の和:129680

約数の個数: 16

約数和(自身を含む): 261362304

約数和(自身を除く): 60804583

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 129643, 907501, 1685359, 2203931, 11797513, 15427517, 28651103, 200557721]

約数ペア:

[(1, 200557721), (7, 28651103), (13, 15427517), (17, 11797513), (91, 2203931), (119, 1685359), (221, 907501), (1547, 129643)]