127128208

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{193793}}^1$

素因数の和:193842

約数の個数: 20

約数和(自身を含む): 252319788

約数和(自身を除く): 125191580

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 193793, 387586, 775172, 1550344, 3100688, 7945513, 15891026, 31782052, 63564104, 127128208]

約数ペア:

[(1, 127128208), (2, 63564104), (4, 31782052), (8, 15891026), (16, 7945513), (41, 3100688), (82, 1550344), (164, 775172), (328, 387586), (656, 193793)]