128307886

素因数分解:

$2^1\times 7^1\times {\mathrm{1399}}^1\times {\mathrm{6551}}^1$

素因数の和:7959

約数の個数: 16

約数和(自身を含む): 220147200

約数和(自身を除く): 91839314

約数列:

[1, 2, 7, 14, 1399, 2798, 6551, 9793, 13102, 19586, 45857, 91714, 9164849, 18329698, 64153943, 128307886]

約数ペア:

[(1, 128307886), (2, 64153943), (7, 18329698), (14, 9164849), (1399, 91714), (2798, 45857), (6551, 19586), (9793, 13102)]