81262202

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{305497}}^1$

素因数の和:305525

約数の個数: 16

約数和(自身を含む): 146639040

約数和(自身を除く): 65376838

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 305497, 610994, 2138479, 4276958, 5804443, 11608886, 40631101, 81262202]

約数ペア:

[(1, 81262202), (2, 40631101), (7, 11608886), (14, 5804443), (19, 4276958), (38, 2138479), (133, 610994), (266, 305497)]