2778142444

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{65839}}^1$

素因数の和:65998

約数の個数: 48

約数和(自身を含む): 6105738240

約数和(自身を除く): 3327595796

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 137, 154, 274, 308, 548, 959, 1507, 1918, 3014, 3836, 6028, 10549, 21098, 42196, 65839, 131678, 263356, 460873, 724229, 921746, 1448458, 1843492, 2896916, 5069603, 9019943, 10139206, 18039886, 20278412, 36079772, 63139601, 99219373, 126279202, 198438746, 252558404, 396877492, 694535611, 1389071222, 2778142444]

約数ペア:

[(1, 2778142444), (2, 1389071222), (4, 694535611), (7, 396877492), (11, 252558404), (14, 198438746), (22, 126279202), (28, 99219373), (44, 63139601), (77, 36079772), (137, 20278412), (154, 18039886), (274, 10139206), (308, 9019943), (548, 5069603), (959, 2896916), (1507, 1843492), (1918, 1448458), (3014, 921746), (3836, 724229), (6028, 460873), (10549, 263356), (21098, 131678), (42196, 65839)]