211364975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1223}}^1$

素因数の和:1487

約数の個数: 24

約数和(自身を含む): 271982592

約数和(自身を除く): 60617617

約数列:

[1, 5, 25, 31, 155, 223, 775, 1115, 1223, 5575, 6115, 6913, 30575, 34565, 37913, 172825, 189565, 272729, 947825, 1363645, 6818225, 8454599, 42272995, 211364975]

約数ペア:

[(1, 211364975), (5, 42272995), (25, 8454599), (31, 6818225), (155, 1363645), (223, 947825), (775, 272729), (1115, 189565), (1223, 172825), (5575, 37913), (6115, 34565), (6913, 30575)]