2008549985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1\times {\mathrm{2081}}^1$

素因数の和:2609

約数の個数: 32

約数和(自身を含む): 2686279680

約数和(自身を除く): 677729695

約数列:

[1, 5, 13, 31, 65, 155, 403, 479, 2015, 2081, 2395, 6227, 10405, 14849, 27053, 31135, 64511, 74245, 135265, 193037, 322555, 838643, 965185, 996799, 4193215, 4983995, 12958387, 30900769, 64791935, 154503845, 401709997, 2008549985]

約数ペア:

[(1, 2008549985), (5, 401709997), (13, 154503845), (31, 64791935), (65, 30900769), (155, 12958387), (403, 4983995), (479, 4193215), (2015, 996799), (2081, 965185), (2395, 838643), (6227, 322555), (10405, 193037), (14849, 135265), (27053, 74245), (31135, 64511)]