199474807

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{17911}}^1$

素因数の和:17998

約数の個数: 16

約数和(自身を含む): 239590912

約数和(自身を除く): 40116105

約数列:

[1, 7, 37, 43, 259, 301, 1591, 11137, 17911, 125377, 662707, 770173, 4638949, 5391211, 28496401, 199474807]

約数ペア:

[(1, 199474807), (7, 28496401), (37, 5391211), (43, 4638949), (259, 770173), (301, 662707), (1591, 125377), (11137, 17911)]