2009683555

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{311}}^1\times {\mathrm{971}}^1$

素因数の和:1320

約数の個数: 32

約数和(自身を含む): 2663870976

約数和(自身を除く): 654187421

約数列:

[1, 5, 11, 55, 121, 311, 605, 971, 1331, 1555, 3421, 4855, 6655, 10681, 17105, 37631, 53405, 117491, 188155, 301981, 413941, 587455, 1292401, 1509905, 2069705, 3321791, 6462005, 16608955, 36539701, 182698505, 401936711, 2009683555]

約数ペア:

[(1, 2009683555), (5, 401936711), (11, 182698505), (55, 36539701), (121, 16608955), (311, 6462005), (605, 3321791), (971, 2069705), (1331, 1509905), (1555, 1292401), (3421, 587455), (4855, 413941), (6655, 301981), (10681, 188155), (17105, 117491), (37631, 53405)]