2005979245

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{398407}}^1$

素因数の和:398484

約数の個数: 16

約数和(自身を含む): 2581683840

約数和(自身を除く): 575704595

約数列:

[1, 5, 19, 53, 95, 265, 1007, 5035, 398407, 1992035, 7569733, 21115571, 37848665, 105577855, 401195849, 2005979245]

約数ペア:

[(1, 2005979245), (5, 401195849), (19, 105577855), (53, 37848665), (95, 21115571), (265, 7569733), (1007, 1992035), (5035, 398407)]