221122561

素因数分解:

${\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{241}}^1\times {\mathrm{349}}^1$

素因数の和:840

約数の個数: 16

約数和(自身を含む): 243936000

約数和(自身を除く): 22813439

約数列:

[1, 11, 239, 241, 349, 2629, 2651, 3839, 57599, 83411, 84109, 633589, 917521, 925199, 20102051, 221122561]

約数ペア:

[(1, 221122561), (11, 20102051), (239, 925199), (241, 917521), (349, 633589), (2629, 84109), (2651, 83411), (3839, 57599)]