309478208

素因数分解:

$2^6\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:153

約数の個数: 112

約数和(自身を含む): 696407040

約数和(自身を除く): 386928832

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 71, 104, 124, 142, 169, 208, 248, 284, 338, 403, 416, 496, 568, 676, 806, 832, 923, 992, 1136, 1352, 1612, 1846, 1984, 2197, 2201, 2272, 2704, 3224, 3692, 4394, 4402, 4544, 5239, 5408, 6448, 7384, 8788, 8804, 10478, 10816, 11999, 12896, 14768, 17576, 17608, 20956, 23998, 25792, 28613, 29536, 35152, 35216, 41912, 47996, 57226, 59072, 68107, 70304, 70432, 83824, 95992, 114452, 136214, 140608, 140864, 155987, 167648, 191984, 228904, 272428, 311974, 335296, 371969, 383968, 457808, 544856, 623948, 743938, 767936, 915616, 1089712, 1247896, 1487876, 1831232, 2179424, 2495792, 2975752, 4358848, 4835597, 4991584, 5951504, 9671194, 9983168, 11903008, 19342388, 23806016, 38684776, 77369552, 154739104, 309478208]

約数ペア:

[(1, 309478208), (2, 154739104), (4, 77369552), (8, 38684776), (13, 23806016), (16, 19342388), (26, 11903008), (31, 9983168), (32, 9671194), (52, 5951504), (62, 4991584), (64, 4835597), (71, 4358848), (104, 2975752), (124, 2495792), (142, 2179424), (169, 1831232), (208, 1487876), (248, 1247896), (284, 1089712), (338, 915616), (403, 767936), (416, 743938), (496, 623948), (568, 544856), (676, 457808), (806, 383968), (832, 371969), (923, 335296), (992, 311974), (1136, 272428), (1352, 228904), (1612, 191984), (1846, 167648), (1984, 155987), (2197, 140864), (2201, 140608), (2272, 136214), (2704, 114452), (3224, 95992), (3692, 83824), (4394, 70432), (4402, 70304), (4544, 68107), (5239, 59072), (5408, 57226), (6448, 47996), (7384, 41912), (8788, 35216), (8804, 35152), (10478, 29536), (10816, 28613), (11999, 25792), (12896, 23998), (14768, 20956), (17576, 17608)]