681952

素因数分解:

$2^5\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:322

約数の個数: 24

約数和(自身を含む): 1362312

約数和(自身を除く): 680360

約数列:

[1, 2, 4, 8, 16, 32, 101, 202, 211, 404, 422, 808, 844, 1616, 1688, 3232, 3376, 6752, 21311, 42622, 85244, 170488, 340976, 681952]

約数ペア:

[(1, 681952), (2, 340976), (4, 170488), (8, 85244), (16, 42622), (32, 21311), (101, 6752), (202, 3376), (211, 3232), (404, 1688), (422, 1616), (808, 844)]