81105136

素因数分解:

$2^4\times 7^1\times {\mathrm{724153}}^1$

素因数の和:724168

約数の個数: 20

約数和(自身を含む): 179590192

約数和(自身を除く): 98485056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 724153, 1448306, 2896612, 5069071, 5793224, 10138142, 11586448, 20276284, 40552568, 81105136]

約数ペア:

[(1, 81105136), (2, 40552568), (4, 20276284), (7, 11586448), (8, 10138142), (14, 5793224), (16, 5069071), (28, 2896612), (56, 1448306), (112, 724153)]