638884368

素因数分解:

$2^4\times 3^3\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:434

約数の個数: 160

約数和(自身を含む): 1896942080

約数和(自身を除く): 1258057712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 43, 48, 54, 72, 86, 108, 129, 144, 163, 172, 211, 216, 258, 326, 344, 387, 422, 432, 489, 516, 633, 652, 688, 774, 844, 978, 1032, 1161, 1266, 1304, 1467, 1548, 1688, 1899, 1956, 2064, 2322, 2532, 2608, 2934, 3096, 3376, 3798, 3912, 4401, 4644, 5064, 5697, 5868, 6192, 7009, 7596, 7824, 8802, 9073, 9288, 10128, 11394, 11736, 14018, 15192, 17604, 18146, 18576, 21027, 22788, 23472, 27219, 28036, 30384, 34393, 35208, 36292, 42054, 45576, 54438, 56072, 63081, 68786, 70416, 72584, 81657, 84108, 91152, 103179, 108876, 112144, 126162, 137572, 145168, 163314, 168216, 189243, 206358, 217752, 244971, 252324, 275144, 309537, 326628, 336432, 378486, 412716, 435504, 489942, 504648, 550288, 619074, 653256, 756972, 825432, 928611, 979884, 1009296, 1238148, 1306512, 1478899, 1513944, 1650864, 1857222, 1959768, 2476296, 2957798, 3027888, 3714444, 3919536, 4436697, 4952592, 5915596, 7428888, 8873394, 11831192, 13310091, 14857776, 17746788, 23662384, 26620182, 35493576, 39930273, 53240364, 70987152, 79860546, 106480728, 159721092, 212961456, 319442184, 638884368]

約数ペア:

[(1, 638884368), (2, 319442184), (3, 212961456), (4, 159721092), (6, 106480728), (8, 79860546), (9, 70987152), (12, 53240364), (16, 39930273), (18, 35493576), (24, 26620182), (27, 23662384), (36, 17746788), (43, 14857776), (48, 13310091), (54, 11831192), (72, 8873394), (86, 7428888), (108, 5915596), (129, 4952592), (144, 4436697), (163, 3919536), (172, 3714444), (211, 3027888), (216, 2957798), (258, 2476296), (326, 1959768), (344, 1857222), (387, 1650864), (422, 1513944), (432, 1478899), (489, 1306512), (516, 1238148), (633, 1009296), (652, 979884), (688, 928611), (774, 825432), (844, 756972), (978, 653256), (1032, 619074), (1161, 550288), (1266, 504648), (1304, 489942), (1467, 435504), (1548, 412716), (1688, 378486), (1899, 336432), (1956, 326628), (2064, 309537), (2322, 275144), (2532, 252324), (2608, 244971), (2934, 217752), (3096, 206358), (3376, 189243), (3798, 168216), (3912, 163314), (4401, 145168), (4644, 137572), (5064, 126162), (5697, 112144), (5868, 108876), (6192, 103179), (7009, 91152), (7596, 84108), (7824, 81657), (8802, 72584), (9073, 70416), (9288, 68786), (10128, 63081), (11394, 56072), (11736, 54438), (14018, 45576), (15192, 42054), (17604, 36292), (18146, 35208), (18576, 34393), (21027, 30384), (22788, 28036), (23472, 27219)]