156979558

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{20759}}^1$

素因数の和:20979

約数の個数: 16

約数和(自身を含む): 249120000

約数和(自身を除く): 92140442

約数列:

[1, 2, 19, 38, 199, 398, 3781, 7562, 20759, 41518, 394421, 788842, 4131041, 8262082, 78489779, 156979558]

約数ペア:

[(1, 156979558), (2, 78489779), (19, 8262082), (38, 4131041), (199, 788842), (398, 394421), (3781, 41518), (7562, 20759)]