128569133

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 164954880

約数和(自身を除く): 36385747

約数列:

[1, 7, 11, 73, 77, 89, 257, 511, 623, 803, 979, 1799, 2827, 5621, 6497, 6853, 18761, 19789, 22873, 45479, 71467, 131327, 160111, 206371, 251603, 500269, 1444597, 1669729, 1761221, 11688103, 18367019, 128569133]

約数ペア:

[(1, 128569133), (7, 18367019), (11, 11688103), (73, 1761221), (77, 1669729), (89, 1444597), (257, 500269), (511, 251603), (623, 206371), (803, 160111), (979, 131327), (1799, 71467), (2827, 45479), (5621, 22873), (6497, 19789), (6853, 18761)]