290336

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:264

約数の個数: 24

約数和(自身を含む): 587664

約数和(自身を除く): 297328

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 211, 344, 422, 688, 844, 1376, 1688, 3376, 6752, 9073, 18146, 36292, 72584, 145168, 290336]

約数ペア:

[(1, 290336), (2, 145168), (4, 72584), (8, 36292), (16, 18146), (32, 9073), (43, 6752), (86, 3376), (172, 1688), (211, 1376), (344, 844), (422, 688)]