2016348595

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1\times {\mathrm{239}}^1$

素因数の和:643

約数の個数: 32

約数和(自身を含む): 2499840000

約数和(自身を除く): 483491405

約数列:

[1, 5, 61, 139, 199, 239, 305, 695, 995, 1195, 8479, 12139, 14579, 27661, 33221, 42395, 47561, 60695, 72895, 138305, 166105, 237805, 1687321, 2026481, 2901221, 6610979, 8436605, 10132405, 14506105, 33054895, 403269719, 2016348595]

約数ペア:

[(1, 2016348595), (5, 403269719), (61, 33054895), (139, 14506105), (199, 10132405), (239, 8436605), (305, 6610979), (695, 2901221), (995, 2026481), (1195, 1687321), (8479, 237805), (12139, 166105), (14579, 138305), (27661, 72895), (33221, 60695), (42395, 47561)]