311549953

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 389724048

約数和(自身を除く): 78174095

約数列:

[1, 11, 13, 37, 53, 101, 121, 143, 407, 481, 583, 689, 1111, 1313, 1573, 1961, 3737, 4477, 5291, 5353, 6413, 7579, 12221, 14443, 21571, 25493, 41107, 48581, 58201, 58883, 69589, 83369, 158873, 198061, 237281, 280423, 452177, 534391, 647713, 765479, 2178671, 2574793, 3084653, 5878301, 8420269, 23965381, 28322723, 311549953]

約数ペア:

[(1, 311549953), (11, 28322723), (13, 23965381), (37, 8420269), (53, 5878301), (101, 3084653), (121, 2574793), (143, 2178671), (407, 765479), (481, 647713), (583, 534391), (689, 452177), (1111, 280423), (1313, 237281), (1573, 198061), (1961, 158873), (3737, 83369), (4477, 69589), (5291, 58883), (5353, 58201), (6413, 48581), (7579, 41107), (12221, 25493), (14443, 21571)]