172642172

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{105527}}^1$

素因数の和:105940

約数の個数: 12

約数和(自身を含む): 302865360

約数和(自身を除く): 130223188

約数列:

[1, 2, 4, 409, 818, 1636, 105527, 211054, 422108, 43160543, 86321086, 172642172]

約数ペア:

[(1, 172642172), (2, 86321086), (4, 43160543), (409, 422108), (818, 211054), (1636, 105527)]