208554995

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{344719}}^1$

素因数の和:344746

約数の個数: 12

約数和(自身を含む): 275086560

約数和(自身を除く): 66531565

約数列:

[1, 5, 11, 55, 121, 605, 344719, 1723595, 3791909, 18959545, 41710999, 208554995]

約数ペア:

[(1, 208554995), (5, 41710999), (11, 18959545), (55, 3791909), (121, 1723595), (605, 344719)]