28921452

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2477}}^1$

素因数の和:2630

約数の個数: 48

約数和(自身を含む): 77710080

約数和(自身を除く): 48788628

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 139, 278, 417, 556, 834, 973, 1668, 1946, 2477, 2919, 3892, 4954, 5838, 7431, 9908, 11676, 14862, 17339, 29724, 34678, 52017, 69356, 104034, 208068, 344303, 688606, 1032909, 1377212, 2065818, 2410121, 4131636, 4820242, 7230363, 9640484, 14460726, 28921452]

約数ペア:

[(1, 28921452), (2, 14460726), (3, 9640484), (4, 7230363), (6, 4820242), (7, 4131636), (12, 2410121), (14, 2065818), (21, 1377212), (28, 1032909), (42, 688606), (84, 344303), (139, 208068), (278, 104034), (417, 69356), (556, 52017), (834, 34678), (973, 29724), (1668, 17339), (1946, 14862), (2477, 11676), (2919, 9908), (3892, 7431), (4954, 5838)]