9811090

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{9001}}^1$

素因数の和:9117

約数の個数: 16

約数和(自身を含む): 17823960

約数和(自身を除く): 8012870

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 9001, 18002, 45005, 90010, 981109, 1962218, 4905545, 9811090]

約数ペア:

[(1, 9811090), (2, 4905545), (5, 1962218), (10, 981109), (109, 90010), (218, 45005), (545, 18002), (1090, 9001)]