198478085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{160711}}^1$

素因数の和:160748

約数の個数: 16

約数和(自身を含む): 269996160

約数和(自身を除く): 71518075

約数列:

[1, 5, 13, 19, 65, 95, 247, 1235, 160711, 803555, 2089243, 3053509, 10446215, 15267545, 39695617, 198478085]

約数ペア:

[(1, 198478085), (5, 39695617), (13, 15267545), (19, 10446215), (65, 3053509), (95, 2089243), (247, 803555), (1235, 160711)]