About the Number

221005048

221005047 ← → 221005049

2進数表記:1101001011000100010011111000

漢数字表記:二億二千百万五千四十八

素因数分解:

2 3 × 11 2 × 228311 1

素因数の和:228339
約数の個数: 24
約数和(自身を含む): 455482440
約数和(自身を除く): 234477392

約数列:
[1, 2, 4, 8, 11, 22, 44, 88, 121, 242, 484, 968, 228311, 456622, 913244, 1826488, 2511421, 5022842, 10045684, 20091368, 27625631, 55251262, 110502524, 221005048]

約数ペア:
[(1, 221005048), (2, 110502524), (4, 55251262), (8, 27625631), (11, 20091368), (22, 10045684), (44, 5022842), (88, 2511421), (121, 1826488), (242, 913244), (484, 456622), (968, 228311)]

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