1281256

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{9421}}^1$

素因数の和:9444

約数の個数: 16

約数和(自身を含む): 2543940

約数和(自身を除く): 1262684

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 9421, 18842, 37684, 75368, 160157, 320314, 640628, 1281256]

約数ペア:

[(1, 1281256), (2, 640628), (4, 320314), (8, 160157), (17, 75368), (34, 37684), (68, 18842), (136, 9421)]