278014737

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2153}}^1$

素因数の和:2230

約数の個数: 64

約数和(自身を含む): 509515776

約数和(自身を除く): 231501039

約数列:

[1, 3, 7, 11, 13, 21, 33, 39, 43, 77, 91, 129, 143, 231, 273, 301, 429, 473, 559, 903, 1001, 1419, 1677, 2153, 3003, 3311, 3913, 6149, 6459, 9933, 11739, 15071, 18447, 23683, 27989, 43043, 45213, 71049, 83967, 92579, 129129, 165781, 195923, 277737, 307879, 497343, 587769, 648053, 923637, 1018369, 1203527, 1944159, 2155153, 3055107, 3610581, 6465459, 7128583, 8424689, 13238797, 21385749, 25274067, 39716391, 92671579, 278014737]

約数ペア:

[(1, 278014737), (3, 92671579), (7, 39716391), (11, 25274067), (13, 21385749), (21, 13238797), (33, 8424689), (39, 7128583), (43, 6465459), (77, 3610581), (91, 3055107), (129, 2155153), (143, 1944159), (231, 1203527), (273, 1018369), (301, 923637), (429, 648053), (473, 587769), (559, 497343), (903, 307879), (1001, 277737), (1419, 195923), (1677, 165781), (2153, 129129), (3003, 92579), (3311, 83967), (3913, 71049), (6149, 45213), (6459, 43043), (9933, 27989), (11739, 23683), (15071, 18447)]