216557135

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{18329}}^1$

素因数の和:18490

約数の個数: 16

約数和(自身を含む): 277149600

約数和(自身を除く): 60592465

約数列:

[1, 5, 17, 85, 139, 695, 2363, 11815, 18329, 91645, 311593, 1557965, 2547731, 12738655, 43311427, 216557135]

約数ペア:

[(1, 216557135), (5, 43311427), (17, 12738655), (85, 2547731), (139, 1557965), (695, 311593), (2363, 91645), (11815, 18329)]