217435865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1471}}^1$

素因数の和:1577

約数の個数: 32

約数和(自身を含む): 289972224

約数和(自身を除く): 72536359

約数列:

[1, 5, 17, 37, 47, 85, 185, 235, 629, 799, 1471, 1739, 3145, 3995, 7355, 8695, 25007, 29563, 54427, 69137, 125035, 147815, 272135, 345685, 925259, 1175329, 2558069, 4626295, 5876645, 12790345, 43487173, 217435865]

約数ペア:

[(1, 217435865), (5, 43487173), (17, 12790345), (37, 5876645), (47, 4626295), (85, 2558069), (185, 1175329), (235, 925259), (629, 345685), (799, 272135), (1471, 147815), (1739, 125035), (3145, 69137), (3995, 54427), (7355, 29563), (8695, 25007)]