40989821

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1\times {\mathrm{293}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 44688000

約数和(自身を除く): 3698179

約数列:

[1, 19, 37, 199, 293, 703, 3781, 5567, 7363, 10841, 58307, 139897, 205979, 1107833, 2157359, 40989821]

約数ペア:

[(1, 40989821), (19, 2157359), (37, 1107833), (199, 205979), (293, 139897), (703, 58307), (3781, 10841), (5567, 7363)]