About the Number

128313472

128313471 ← → 128313473

2進数表記:111101001011110100010000000

漢数字表記:一億二千八百三十一万三千四百七十二

素因数分解:

2 7 × 7 1 × 71 1 × 2017 1

素因数の和:2109
約数の個数: 64
約数和(自身を含む): 296403840
約数和(自身を除く): 168090368

約数列:
[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 71, 112, 128, 142, 224, 284, 448, 497, 568, 896, 994, 1136, 1988, 2017, 2272, 3976, 4034, 4544, 7952, 8068, 9088, 14119, 15904, 16136, 28238, 31808, 32272, 56476, 63616, 64544, 112952, 129088, 143207, 225904, 258176, 286414, 451808, 572828, 903616, 1002449, 1145656, 1807232, 2004898, 2291312, 4009796, 4582624, 8019592, 9165248, 16039184, 18330496, 32078368, 64156736, 128313472]

約数ペア:
[(1, 128313472), (2, 64156736), (4, 32078368), (7, 18330496), (8, 16039184), (14, 9165248), (16, 8019592), (28, 4582624), (32, 4009796), (56, 2291312), (64, 2004898), (71, 1807232), (112, 1145656), (128, 1002449), (142, 903616), (224, 572828), (284, 451808), (448, 286414), (497, 258176), (568, 225904), (896, 143207), (994, 129088), (1136, 112952), (1988, 64544), (2017, 63616), (2272, 56476), (3976, 32272), (4034, 31808), (4544, 28238), (7952, 16136), (8068, 15904), (9088, 14119)]

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