128217208

素因数分解:

$2^3\times 7^1\times {\mathrm{2289593}}^1$

素因数の和:2289606

約数の個数: 16

約数和(自身を含む): 274751280

約数和(自身を除く): 146534072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2289593, 4579186, 9158372, 16027151, 18316744, 32054302, 64108604, 128217208]

約数ペア:

[(1, 128217208), (2, 64108604), (4, 32054302), (7, 18316744), (8, 16027151), (14, 9158372), (28, 4579186), (56, 2289593)]