81581435

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1\times {\mathrm{3617}}^1$

素因数の和:3982

約数の個数: 16

約数和(自身を含む): 105761376

約数和(自身を除く): 24179941

約数列:

[1, 5, 13, 65, 347, 1735, 3617, 4511, 18085, 22555, 47021, 235105, 1255099, 6275495, 16316287, 81581435]

約数ペア:

[(1, 81581435), (5, 16316287), (13, 6275495), (65, 1255099), (347, 235105), (1735, 47021), (3617, 22555), (4511, 18085)]