12123881

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8287}}^1$

素因数の和:8324

約数の個数: 16

約数和(自身を含む): 15912960

約数和(自身を除く): 3789079

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 8287, 58009, 91157, 157453, 638099, 1102171, 1731983, 12123881]

約数ペア:

[(1, 12123881), (7, 1731983), (11, 1102171), (19, 638099), (77, 157453), (133, 91157), (209, 58009), (1463, 8287)]