2891756379205

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{1997}}^1\times {\mathrm{20771}}^1$

素因数の和:23037

約数の個数: 32

約数和(自身を含む): 3538001369088

約数和(自身を除く): 646244989883

約数列:

[1, 5, 73, 191, 365, 955, 1997, 9985, 13943, 20771, 69715, 103855, 145781, 381427, 728905, 1516283, 1907135, 3967261, 7581415, 19836305, 27844171, 41479687, 139220855, 207398435, 289610053, 1448050265, 3028017151, 7922620217, 15140085755, 39613101085, 578351275841, 2891756379205]

約数ペア:

[(1, 2891756379205), (5, 578351275841), (73, 39613101085), (191, 15140085755), (365, 7922620217), (955, 3028017151), (1997, 1448050265), (9985, 289610053), (13943, 207398435), (20771, 139220855), (69715, 41479687), (103855, 27844171), (145781, 19836305), (381427, 7581415), (728905, 3967261), (1516283, 1907135)]