128948561

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{4679}}^1$

素因数の和:4844

約数の個数: 16

約数和(自身を含む): 153354240

約数和(自身を除く): 24405679

約数列:

[1, 7, 31, 127, 217, 889, 3937, 4679, 27559, 32753, 145049, 594233, 1015343, 4159631, 18421223, 128948561]

約数ペア:

[(1, 128948561), (7, 18421223), (31, 4159631), (127, 1015343), (217, 594233), (889, 145049), (3937, 32753), (4679, 27559)]