20161122212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{477797}}^1$

素因数の和:477956

約数の個数: 48

約数和(自身を含む): 44309075328

約数和(自身を除く): 24147953116

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, 477797, 955594, 1911188, 3344579, 5255767, 6689158, 10511534, 13378316, 21023068, 36790369, 65458189, 73580738, 130916378, 147161476, 261832756, 458207323, 720040079, 916414646, 1440080158, 1832829292, 2880160316, 5040280553, 10080561106, 20161122212]

約数ペア:

[(1, 20161122212), (2, 10080561106), (4, 5040280553), (7, 2880160316), (11, 1832829292), (14, 1440080158), (22, 916414646), (28, 720040079), (44, 458207323), (77, 261832756), (137, 147161476), (154, 130916378), (274, 73580738), (308, 65458189), (548, 36790369), (959, 21023068), (1507, 13378316), (1918, 10511534), (3014, 6689158), (3836, 5255767), (6028, 3344579), (10549, 1911188), (21098, 955594), (42196, 477797)]