218870245

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{361769}}^1$

素因数の和:361796

約数の個数: 12

約数和(自身を含む): 288692460

約数和(自身を除く): 69822215

約数列:

[1, 5, 11, 55, 121, 605, 361769, 1808845, 3979459, 19897295, 43774049, 218870245]

約数ペア:

[(1, 218870245), (5, 43774049), (11, 19897295), (55, 3979459), (121, 1808845), (605, 361769)]