28268978829

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{353}}^1\times {\mathrm{15439}}^1$

素因数の和:15834

約数の個数: 64

約数和(自身を含む): 48973209600

約数和(自身を除く): 20704230771

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 247, 273, 353, 399, 741, 1059, 1729, 2471, 4589, 5187, 6707, 7413, 13767, 15439, 20121, 32123, 46317, 46949, 87191, 96369, 108073, 140847, 200707, 261573, 293341, 324219, 602121, 610337, 880023, 1404949, 1831011, 2053387, 3813433, 4214847, 5449967, 6160161, 11440299, 16349901, 26694031, 38149769, 70849571, 80082093, 103549373, 114449307, 212548713, 310648119, 495946997, 724845611, 1346141849, 1487840991, 2174536833, 4038425547, 9422992943, 28268978829]

約数ペア:

[(1, 28268978829), (3, 9422992943), (7, 4038425547), (13, 2174536833), (19, 1487840991), (21, 1346141849), (39, 724845611), (57, 495946997), (91, 310648119), (133, 212548713), (247, 114449307), (273, 103549373), (353, 80082093), (399, 70849571), (741, 38149769), (1059, 26694031), (1729, 16349901), (2471, 11440299), (4589, 6160161), (5187, 5449967), (6707, 4214847), (7413, 3813433), (13767, 2053387), (15439, 1831011), (20121, 1404949), (32123, 880023), (46317, 610337), (46949, 602121), (87191, 324219), (96369, 293341), (108073, 261573), (140847, 200707)]