128873048

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{193}}^1$

素因数の和:432

約数の個数: 64

約数和(自身を含む): 268185600

約数和(自身を除く): 139312552

約数列:

[1, 2, 4, 8, 19, 23, 38, 46, 76, 92, 152, 184, 191, 193, 382, 386, 437, 764, 772, 874, 1528, 1544, 1748, 3496, 3629, 3667, 4393, 4439, 7258, 7334, 8786, 8878, 14516, 14668, 17572, 17756, 29032, 29336, 35144, 35512, 36863, 73726, 83467, 84341, 147452, 166934, 168682, 294904, 333868, 337364, 667736, 674728, 700397, 847849, 1400794, 1695698, 2801588, 3391396, 5603176, 6782792, 16109131, 32218262, 64436524, 128873048]

約数ペア:

[(1, 128873048), (2, 64436524), (4, 32218262), (8, 16109131), (19, 6782792), (23, 5603176), (38, 3391396), (46, 2801588), (76, 1695698), (92, 1400794), (152, 847849), (184, 700397), (191, 674728), (193, 667736), (382, 337364), (386, 333868), (437, 294904), (764, 168682), (772, 166934), (874, 147452), (1528, 84341), (1544, 83467), (1748, 73726), (3496, 36863), (3629, 35512), (3667, 35144), (4393, 29336), (4439, 29032), (7258, 17756), (7334, 17572), (8786, 14668), (8878, 14516)]