About the Number

128126784

128126783 ← → 128126785

2進数表記:111101000110000111101000000

漢数字表記:一億二千八百十二万六千七百八十四

素因数分解:

2 6 × 3 1 × 137 1 × 4871 1

素因数の和:5023
約数の個数: 56
約数和(自身を含む): 341546688
約数和(自身を除く): 213419904

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 137, 192, 274, 411, 548, 822, 1096, 1644, 2192, 3288, 4384, 4871, 6576, 8768, 9742, 13152, 14613, 19484, 26304, 29226, 38968, 58452, 77936, 116904, 155872, 233808, 311744, 467616, 667327, 935232, 1334654, 2001981, 2669308, 4003962, 5338616, 8007924, 10677232, 16015848, 21354464, 32031696, 42708928, 64063392, 128126784]

約数ペア:
[(1, 128126784), (2, 64063392), (3, 42708928), (4, 32031696), (6, 21354464), (8, 16015848), (12, 10677232), (16, 8007924), (24, 5338616), (32, 4003962), (48, 2669308), (64, 2001981), (96, 1334654), (137, 935232), (192, 667327), (274, 467616), (411, 311744), (548, 233808), (822, 155872), (1096, 116904), (1644, 77936), (2192, 58452), (3288, 38968), (4384, 29226), (4871, 26304), (6576, 19484), (8768, 14613), (9742, 13152)]

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