31605805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{439}}^1$

素因数の和:490

約数の個数: 48

約数和(自身を含む): 50561280

約数和(自身を除く): 18955475

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 121, 187, 385, 439, 595, 605, 847, 935, 1309, 2057, 2195, 3073, 4235, 4829, 6545, 7463, 10285, 14399, 15365, 24145, 33803, 37315, 52241, 53119, 71995, 82093, 169015, 261205, 265595, 371833, 410465, 574651, 903023, 1859165, 2873255, 4515115, 6321161, 31605805]

約数ペア:

[(1, 31605805), (5, 6321161), (7, 4515115), (11, 2873255), (17, 1859165), (35, 903023), (55, 574651), (77, 410465), (85, 371833), (119, 265595), (121, 261205), (187, 169015), (385, 82093), (439, 71995), (595, 53119), (605, 52241), (847, 37315), (935, 33803), (1309, 24145), (2057, 15365), (2195, 14399), (3073, 10285), (4235, 7463), (4829, 6545)]