201254405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{1979}}^1$

素因数の和:2081

約数の個数: 24

約数和(自身を含む): 269866080

約数和(自身を除く): 68611675

約数列:

[1, 5, 11, 43, 55, 215, 473, 1849, 1979, 2365, 9245, 9895, 20339, 21769, 85097, 101695, 108845, 425485, 936067, 3659171, 4680335, 18295855, 40250881, 201254405]

約数ペア:

[(1, 201254405), (5, 40250881), (11, 18295855), (43, 4680335), (55, 3659171), (215, 936067), (473, 425485), (1849, 108845), (1979, 101695), (2365, 85097), (9245, 21769), (9895, 20339)]