80687068

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{261971}}^1$

素因数の和:261993

約数の個数: 24

約数和(自身を含む): 176045184

約数和(自身を除く): 95358116

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 261971, 523942, 1047884, 1833797, 2881681, 3667594, 5763362, 7335188, 11526724, 20171767, 40343534, 80687068]

約数ペア:

[(1, 80687068), (2, 40343534), (4, 20171767), (7, 11526724), (11, 7335188), (14, 5763362), (22, 3667594), (28, 2881681), (44, 1833797), (77, 1047884), (154, 523942), (308, 261971)]