About the Number

129472

129471 ← → 129473

2進数表記:11111100111000000

漢数字表記:十二万九千四百七十二

素因数分解:

2 6 × 7 1 × 17 2

素因数の和:53
約数の個数: 42
約数和(自身を含む): 311912
約数和(自身を除く): 182440

約数列:
[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 136, 224, 238, 272, 289, 448, 476, 544, 578, 952, 1088, 1156, 1904, 2023, 2312, 3808, 4046, 4624, 7616, 8092, 9248, 16184, 18496, 32368, 64736, 129472]

約数ペア:
[(1, 129472), (2, 64736), (4, 32368), (7, 18496), (8, 16184), (14, 9248), (16, 8092), (17, 7616), (28, 4624), (32, 4046), (34, 3808), (56, 2312), (64, 2023), (68, 1904), (112, 1156), (119, 1088), (136, 952), (224, 578), (238, 544), (272, 476), (289, 448)]

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