12516119

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{2111}}^1$

素因数の和:2147

約数の個数: 18

約数和(自身を含む): 16011072

約数和(自身を除く): 3494953

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 2111, 5929, 14777, 23221, 103439, 162547, 255431, 1137829, 1788017, 12516119]

約数ペア:

[(1, 12516119), (7, 1788017), (11, 1137829), (49, 255431), (77, 162547), (121, 103439), (539, 23221), (847, 14777), (2111, 5929)]