77776336

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{239}}^1$

素因数の和:344

約数の個数: 60

約数和(自身を含む): 169007040

約数和(自身を除く): 91230704

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 239, 344, 473, 478, 688, 946, 956, 1849, 1892, 1912, 2629, 3698, 3784, 3824, 5258, 7396, 7568, 10277, 10516, 14792, 20339, 20554, 21032, 29584, 40678, 41108, 42064, 81356, 82216, 113047, 162712, 164432, 226094, 325424, 441911, 452188, 883822, 904376, 1767644, 1808752, 3535288, 4861021, 7070576, 9722042, 19444084, 38888168, 77776336]

約数ペア:

[(1, 77776336), (2, 38888168), (4, 19444084), (8, 9722042), (11, 7070576), (16, 4861021), (22, 3535288), (43, 1808752), (44, 1767644), (86, 904376), (88, 883822), (172, 452188), (176, 441911), (239, 325424), (344, 226094), (473, 164432), (478, 162712), (688, 113047), (946, 82216), (956, 81356), (1849, 42064), (1892, 41108), (1912, 40678), (2629, 29584), (3698, 21032), (3784, 20554), (3824, 20339), (5258, 14792), (7396, 10516), (7568, 10277)]