386138452

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{320713}}^1$

素因数の和:320767

約数の個数: 24

約数和(自身を含む): 790239296

約数和(自身を除く): 404100844

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 320713, 641426, 1282852, 2244991, 4489982, 8979964, 13790659, 27581318, 55162636, 96534613, 193069226, 386138452]

約数ペア:

[(1, 386138452), (2, 193069226), (4, 96534613), (7, 55162636), (14, 27581318), (28, 13790659), (43, 8979964), (86, 4489982), (172, 2244991), (301, 1282852), (602, 641426), (1204, 320713)]