199900547

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{370873}}^1$

素因数の和:370898

約数の個数: 12

約数和(自身を含む): 253677816

約数和(自身を除く): 53777269

約数列:

[1, 7, 11, 49, 77, 539, 370873, 2596111, 4079603, 18172777, 28557221, 199900547]

約数ペア:

[(1, 199900547), (7, 28557221), (11, 18172777), (49, 4079603), (77, 2596111), (539, 370873)]