213026828

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{330787}}^1$

素因数の和:330821

約数の個数: 24

約数和(自身を含む): 444579072

約数和(自身を除く): 231552244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 330787, 661574, 1323148, 2315509, 4631018, 7608101, 9262036, 15216202, 30432404, 53256707, 106513414, 213026828]

約数ペア:

[(1, 213026828), (2, 106513414), (4, 53256707), (7, 30432404), (14, 15216202), (23, 9262036), (28, 7608101), (46, 4631018), (92, 2315509), (161, 1323148), (322, 661574), (644, 330787)]