217893145

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{907}}^1\times {\mathrm{2089}}^1$

素因数の和:3024

約数の個数: 16

約数和(自身を含む): 273271680

約数和(自身を除く): 55378535

約数列:

[1, 5, 23, 115, 907, 2089, 4535, 10445, 20861, 48047, 104305, 240235, 1894723, 9473615, 43578629, 217893145]

約数ペア:

[(1, 217893145), (5, 43578629), (23, 9473615), (115, 1894723), (907, 240235), (2089, 104305), (4535, 48047), (10445, 20861)]