126820778

素因数分解:

$2^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{17387}}^1$

素因数の和:17917

約数の個数: 16

約数和(自身を含む): 217836864

約数和(自身を除く): 91016086

約数列:

[1, 2, 7, 14, 521, 1042, 3647, 7294, 17387, 34774, 121709, 243418, 9058627, 18117254, 63410389, 126820778]

約数ペア:

[(1, 126820778), (2, 63410389), (7, 18117254), (14, 9058627), (521, 243418), (1042, 121709), (3647, 34774), (7294, 17387)]