207977

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1$

素因数の和:128

約数の個数: 16

約数和(自身を含む): 269952

約数和(自身を除く): 61975

約数列:

[1, 7, 11, 37, 73, 77, 259, 407, 511, 803, 2701, 2849, 5621, 18907, 29711, 207977]

約数ペア:

[(1, 207977), (7, 29711), (11, 18907), (37, 5621), (73, 2849), (77, 2701), (259, 803), (407, 511)]