256734

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:864

約数の個数: 24

約数和(自身を含む): 589680

約数和(自身を除く): 332946

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 839, 1678, 2517, 5034, 7551, 14263, 15102, 28526, 42789, 85578, 128367, 256734]

約数ペア:

[(1, 256734), (2, 128367), (3, 85578), (6, 42789), (9, 28526), (17, 15102), (18, 14263), (34, 7551), (51, 5034), (102, 2517), (153, 1678), (306, 839)]