128369444

素因数分解:

$2^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{17839}}^1$

素因数の和:18107

約数の個数: 24

約数和(自身を含む): 257752320

約数和(自身を除く): 129382876

約数列:

[1, 2, 4, 7, 14, 28, 257, 514, 1028, 1799, 3598, 7196, 17839, 35678, 71356, 124873, 249746, 499492, 4584623, 9169246, 18338492, 32092361, 64184722, 128369444]

約数ペア:

[(1, 128369444), (2, 64184722), (4, 32092361), (7, 18338492), (14, 9169246), (28, 4584623), (257, 499492), (514, 249746), (1028, 124873), (1799, 71356), (3598, 35678), (7196, 17839)]