389691904

素因数分解:

$2^9\times 7^4\times {\mathrm{317}}^1$

素因数の和:363

約数の個数: 100

約数和(自身を含む): 911204514

約数和(自身を除く): 521512610

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 317, 343, 392, 448, 512, 634, 686, 784, 896, 1268, 1372, 1568, 1792, 2219, 2401, 2536, 2744, 3136, 3584, 4438, 4802, 5072, 5488, 6272, 8876, 9604, 10144, 10976, 12544, 15533, 17752, 19208, 20288, 21952, 25088, 31066, 35504, 38416, 40576, 43904, 62132, 71008, 76832, 81152, 87808, 108731, 124264, 142016, 153664, 162304, 175616, 217462, 248528, 284032, 307328, 434924, 497056, 568064, 614656, 761117, 869848, 994112, 1136128, 1229312, 1522234, 1739696, 1988224, 3044468, 3479392, 3976448, 6088936, 6958784, 7952896, 12177872, 13917568, 24355744, 27835136, 48711488, 55670272, 97422976, 194845952, 389691904]

約数ペア:

[(1, 389691904), (2, 194845952), (4, 97422976), (7, 55670272), (8, 48711488), (14, 27835136), (16, 24355744), (28, 13917568), (32, 12177872), (49, 7952896), (56, 6958784), (64, 6088936), (98, 3976448), (112, 3479392), (128, 3044468), (196, 1988224), (224, 1739696), (256, 1522234), (317, 1229312), (343, 1136128), (392, 994112), (448, 869848), (512, 761117), (634, 614656), (686, 568064), (784, 497056), (896, 434924), (1268, 307328), (1372, 284032), (1568, 248528), (1792, 217462), (2219, 175616), (2401, 162304), (2536, 153664), (2744, 142016), (3136, 124264), (3584, 108731), (4438, 87808), (4802, 81152), (5072, 76832), (5488, 71008), (6272, 62132), (8876, 43904), (9604, 40576), (10144, 38416), (10976, 35504), (12544, 31066), (15533, 25088), (17752, 21952), (19208, 20288)]