1888896856

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{811}}^1$

素因数の和:1053

約数の個数: 128

約数和(自身を含む): 4677120000

約数和(自身を除く): 2788223144

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 133, 152, 154, 199, 209, 266, 308, 398, 418, 532, 616, 796, 811, 836, 1064, 1393, 1463, 1592, 1622, 1672, 2189, 2786, 2926, 3244, 3781, 4378, 5572, 5677, 5852, 6488, 7562, 8756, 8921, 11144, 11354, 11704, 15124, 15323, 15409, 17512, 17842, 22708, 26467, 30248, 30646, 30818, 35684, 41591, 45416, 52934, 61292, 61636, 62447, 71368, 83182, 105868, 107863, 122584, 123272, 124894, 161389, 166364, 169499, 211736, 215726, 249788, 291137, 322778, 332728, 338998, 431452, 499576, 582274, 645556, 677996, 862904, 1129723, 1164548, 1186493, 1291112, 1355992, 1775279, 2259446, 2329096, 2372986, 3066391, 3550558, 4518892, 4745972, 6132782, 7101116, 9037784, 9491944, 12265564, 12426953, 14202232, 21464737, 24531128, 24853906, 33730301, 42929474, 49707812, 67460602, 85858948, 99415624, 134921204, 171717896, 236112107, 269842408, 472224214, 944448428, 1888896856]

約数ペア:

[(1, 1888896856), (2, 944448428), (4, 472224214), (7, 269842408), (8, 236112107), (11, 171717896), (14, 134921204), (19, 99415624), (22, 85858948), (28, 67460602), (38, 49707812), (44, 42929474), (56, 33730301), (76, 24853906), (77, 24531128), (88, 21464737), (133, 14202232), (152, 12426953), (154, 12265564), (199, 9491944), (209, 9037784), (266, 7101116), (308, 6132782), (398, 4745972), (418, 4518892), (532, 3550558), (616, 3066391), (796, 2372986), (811, 2329096), (836, 2259446), (1064, 1775279), (1393, 1355992), (1463, 1291112), (1592, 1186493), (1622, 1164548), (1672, 1129723), (2189, 862904), (2786, 677996), (2926, 645556), (3244, 582274), (3781, 499576), (4378, 431452), (5572, 338998), (5677, 332728), (5852, 322778), (6488, 291137), (7562, 249788), (8756, 215726), (8921, 211736), (11144, 169499), (11354, 166364), (11704, 161389), (15124, 124894), (15323, 123272), (15409, 122584), (17512, 107863), (17842, 105868), (22708, 83182), (26467, 71368), (30248, 62447), (30646, 61636), (30818, 61292), (35684, 52934), (41591, 45416)]