About the Number

81004164

81004163 ← → 81004165

2進数表記:100110101000000011010000100

漢数字表記:八千百万四千百六十四

素因数分解:

2 2 × 3 1 × 457 1 × 14771 1

素因数の和:15235
約数の個数: 24
約数和(自身を含む): 189436128
約数和(自身を除く): 108431964

約数列:
[1, 2, 3, 4, 6, 12, 457, 914, 1371, 1828, 2742, 5484, 14771, 29542, 44313, 59084, 88626, 177252, 6750347, 13500694, 20251041, 27001388, 40502082, 81004164]

約数ペア:
[(1, 81004164), (2, 40502082), (3, 27001388), (4, 20251041), (6, 13500694), (12, 6750347), (457, 177252), (914, 88626), (1371, 59084), (1828, 44313), (2742, 29542), (5484, 14771)]

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