28504421

素因数分解:

${\mathrm{11}}^1\times {\mathrm{131}}^2\times {\mathrm{151}}^1$

素因数の和:424

約数の個数: 12

約数和(自身を含む): 31542432

約数和(自身を除く): 3038011

約数列:

[1, 11, 131, 151, 1441, 1661, 17161, 19781, 188771, 217591, 2591311, 28504421]

約数ペア:

[(1, 28504421), (11, 2591311), (131, 217591), (151, 188771), (1441, 19781), (1661, 17161)]