289611905

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{128431}}^1$

素因数の和:128488

約数の個数: 16

約数和(自身を含む): 388378368

約数和(自身を除く): 98766463

約数列:

[1, 5, 11, 41, 55, 205, 451, 2255, 128431, 642155, 1412741, 5265671, 7063705, 26328355, 57922381, 289611905]

約数ペア:

[(1, 289611905), (5, 57922381), (11, 26328355), (41, 7063705), (55, 5265671), (205, 1412741), (451, 642155), (2255, 128431)]