1399994

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:341

約数の個数: 16

約数和(自身を含む): 2188032

約数和(自身を除く): 788038

約数列:

[1, 2, 43, 73, 86, 146, 223, 446, 3139, 6278, 9589, 16279, 19178, 32558, 699997, 1399994]

約数ペア:

[(1, 1399994), (2, 699997), (43, 32558), (73, 19178), (86, 16279), (146, 9589), (223, 6278), (446, 3139)]