217906.0000000

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1993}}^1$

素因数の和:2123

約数の個数: 16

約数和(自身を含む): 13160400

約数和(自身を除く): 4905394

約数列:

[1, 2, 19, 38, 109, 218, 1993, 2071, 3986, 4142, 37867, 75734, 217237, 434474, 4127503, 8255006]

約数ペア:

[(1, 8255006), (2, 4127503), (19, 434474), (38, 217237), (109, 75734), (218, 37867), (1993, 4142), (2071, 3986)]