87089188

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{53233}}^1$

素因数の和:53646

約数の個数: 12

約数和(自身を含む): 152781580

約数和(自身を除く): 65692392

約数列:

[1, 2, 4, 409, 818, 1636, 53233, 106466, 212932, 21772297, 43544594, 87089188]

約数ペア:

[(1, 87089188), (2, 43544594), (4, 21772297), (409, 212932), (818, 106466), (1636, 53233)]