8380418

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{89}}^2$

素因数の和:226

約数の個数: 18

約数和(自身を含む): 13290249

約数和(自身を除く): 4909831

約数列:

[1, 2, 23, 46, 89, 178, 529, 1058, 2047, 4094, 7921, 15842, 47081, 94162, 182183, 364366, 4190209, 8380418]

約数ペア:

[(1, 8380418), (2, 4190209), (23, 364366), (46, 182183), (89, 94162), (178, 47081), (529, 15842), (1058, 7921), (2047, 4094)]