About the Number

81428946

81428945 ← → 81428947

2進数表記:100110110101000000111010010

漢数字表記:八千百四十二万八千九百四十六

素因数分解:

2 1 × 3 1 × 17 1 × 19 1 × 42017 1

素因数の和:42058
約数の個数: 32
約数和(自身を含む): 181517760
約数和(自身を除く): 100088814

約数列:
[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 323, 646, 969, 1938, 42017, 84034, 126051, 252102, 714289, 798323, 1428578, 1596646, 2142867, 2394969, 4285734, 4789938, 13571491, 27142982, 40714473, 81428946]

約数ペア:
[(1, 81428946), (2, 40714473), (3, 27142982), (6, 13571491), (17, 4789938), (19, 4285734), (34, 2394969), (38, 2142867), (51, 1596646), (57, 1428578), (102, 798323), (114, 714289), (323, 252102), (646, 126051), (969, 84034), (1938, 42017)]

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