218598721

素因数分解:

${\mathrm{11}}^2\times {\mathrm{239}}^1\times {\mathrm{7559}}^1$

素因数の和:7820

約数の個数: 12

約数和(自身を含む): 241315200

約数和(自身を除く): 22716479

約数列:

[1, 11, 121, 239, 2629, 7559, 28919, 83149, 914639, 1806601, 19872611, 218598721]

約数ペア:

[(1, 218598721), (11, 19872611), (121, 1806601), (239, 914639), (2629, 83149), (7559, 28919)]