28658729

素因数分解:

${\mathrm{11}}^2\times {\mathrm{239}}^1\times {\mathrm{991}}^1$

素因数の和:1252

約数の個数: 12

約数和(自身を含む): 31664640

約数和(自身を除く): 3005911

約数列:

[1, 11, 121, 239, 991, 2629, 10901, 28919, 119911, 236849, 2605339, 28658729]

約数ペア:

[(1, 28658729), (11, 2605339), (121, 236849), (239, 119911), (991, 28919), (2629, 10901)]