12885145

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{28319}}^1$

素因数の和:28344

約数の個数: 16

約数和(自身を含む): 19031040

約数和(自身を除く): 6145895

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 28319, 141595, 198233, 368147, 991165, 1840735, 2577029, 12885145]

約数ペア:

[(1, 12885145), (5, 2577029), (7, 1840735), (13, 991165), (35, 368147), (65, 198233), (91, 141595), (455, 28319)]