81051272

素因数分解:

$2^3\times {\mathrm{131}}^1\times {\mathrm{77339}}^1$

素因数の和:77476

約数の個数: 16

約数和(自身を含む): 153133200

約数和(自身を除く): 72081928

約数列:

[1, 2, 4, 8, 131, 262, 524, 1048, 77339, 154678, 309356, 618712, 10131409, 20262818, 40525636, 81051272]

約数ペア:

[(1, 81051272), (2, 40525636), (4, 20262818), (8, 10131409), (131, 618712), (262, 309356), (524, 154678), (1048, 77339)]