2178242

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{9001}}^1$

素因数の和:9025

約数の個数: 12

約数和(自身を含む): 3591798

約数和(自身を除く): 1413556

約数列:

[1, 2, 11, 22, 121, 242, 9001, 18002, 99011, 198022, 1089121, 2178242]

約数ペア:

[(1, 2178242), (2, 1089121), (11, 198022), (22, 99011), (121, 18002), (242, 9001)]