1280821678

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{1523}}^1\times {\mathrm{7127}}^1$

素因数の和:8711

約数の個数: 16

約数和(自身を含む): 1955352960

約数和(自身を除く): 674531282

約数列:

[1, 2, 59, 118, 1523, 3046, 7127, 14254, 89857, 179714, 420493, 840986, 10854421, 21708842, 640410839, 1280821678]

約数ペア:

[(1, 1280821678), (2, 640410839), (59, 21708842), (118, 10854421), (1523, 840986), (3046, 420493), (7127, 179714), (14254, 89857)]