218888879

素因数分解:

${\mathrm{11}}^2\times {\mathrm{59}}^1\times {\mathrm{30661}}^1$

素因数の和:30742

約数の個数: 12

約数和(自身を含む): 244682760

約数和(自身を除く): 25793881

約数列:

[1, 11, 59, 121, 649, 7139, 30661, 337271, 1808999, 3709981, 19898989, 218888879]

約数ペア:

[(1, 218888879), (11, 19898989), (59, 3709981), (121, 1808999), (649, 337271), (7139, 30661)]