258978878

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{24109}}^1$

素因数の和:24283

約数の個数: 16

約数和(自身を含む): 400997520

約数和(自身を除く): 142018642

約数列:

[1, 2, 41, 82, 131, 262, 5371, 10742, 24109, 48218, 988469, 1976938, 3158279, 6316558, 129489439, 258978878]

約数ペア:

[(1, 258978878), (2, 129489439), (41, 6316558), (82, 3158279), (131, 1976938), (262, 988469), (5371, 48218), (10742, 24109)]