340976

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:320

約数の個数: 20

約数和(自身を含む): 670344

約数和(自身を除く): 329368

約数列:

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

約数ペア:

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