217271989495

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{91869763}}^1$

素因数の和:91869822

約数の個数: 16

約数和(自身を含む): 291043412352

約数和(自身を除く): 73771422857

約数列:

[1, 5, 11, 43, 55, 215, 473, 2365, 91869763, 459348815, 1010567393, 3950399809, 5052836965, 19751999045, 43454397899, 217271989495]

約数ペア:

[(1, 217271989495), (5, 43454397899), (11, 19751999045), (43, 5052836965), (55, 3950399809), (215, 1010567393), (473, 459348815), (2365, 91869763)]