16663998

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{213641}}^1$

素因数の和:213659

約数の個数: 16

約数和(自身を含む): 35891856

約数和(自身を除く): 19227858

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 213641, 427282, 640923, 1281846, 2777333, 5554666, 8331999, 16663998]

約数ペア:

[(1, 16663998), (2, 8331999), (3, 5554666), (6, 2777333), (13, 1281846), (26, 640923), (39, 427282), (78, 213641)]