81570914

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{49921}}^1$

素因数の和:49985

約数の個数: 16

約数和(自身を含む): 131794080

約数和(自身を除く): 50223166

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 49921, 99842, 948499, 1896998, 2146603, 4293206, 40785457, 81570914]

約数ペア:

[(1, 81570914), (2, 40785457), (19, 4293206), (38, 2146603), (43, 1896998), (86, 948499), (817, 99842), (1634, 49921)]