16798187

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{389}}^1$

素因数の和:626

約数の個数: 16

約数和(自身を含む): 19968000

約数和(自身を除く): 3169813

約数列:

[1, 7, 31, 199, 217, 389, 1393, 2723, 6169, 12059, 43183, 77411, 84413, 541877, 2399741, 16798187]

約数ペア:

[(1, 16798187), (7, 2399741), (31, 541877), (199, 84413), (217, 77411), (389, 43183), (1393, 12059), (2723, 6169)]