About the Number

72001668

72001667 ← → 72001669

2進数表記:100010010101010100010000100

漢数字表記:七千二百万千六百六十八

素因数分解:

2 2 × 3 1 × 71 1 × 84509 1

素因数の和:84587
約数の個数: 24
約数和(自身を含む): 170372160
約数和(自身を除く): 98370492

約数列:
[1, 2, 3, 4, 6, 12, 71, 142, 213, 284, 426, 852, 84509, 169018, 253527, 338036, 507054, 1014108, 6000139, 12000278, 18000417, 24000556, 36000834, 72001668]

約数ペア:
[(1, 72001668), (2, 36000834), (3, 24000556), (4, 18000417), (6, 12000278), (12, 6000139), (71, 1014108), (142, 507054), (213, 338036), (284, 253527), (426, 169018), (852, 84509)]

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