81399362

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{336361}}^1$

素因数の和:336385

約数の個数: 12

約数和(自身を含む): 134208438

約数和(自身を除く): 52809076

約数列:

[1, 2, 11, 22, 121, 242, 336361, 672722, 3699971, 7399942, 40699681, 81399362]

約数ペア:

[(1, 81399362), (2, 40699681), (11, 7399942), (22, 3699971), (121, 672722), (242, 336361)]