About the Number

121749028

121749027 ← → 121749029

2進数表記:111010000011011111000100100

漢数字表記:一億二千百七十四万九千二十八

素因数分解:

2 2 × 23 1 × 31 1 × 42689 1

素因数の和:42747
約数の個数: 24
約数和(自身を含む): 229501440
約数和(自身を除く): 107752412

約数列:
[1, 2, 4, 23, 31, 46, 62, 92, 124, 713, 1426, 2852, 42689, 85378, 170756, 981847, 1323359, 1963694, 2646718, 3927388, 5293436, 30437257, 60874514, 121749028]

約数ペア:
[(1, 121749028), (2, 60874514), (4, 30437257), (23, 5293436), (31, 3927388), (46, 2646718), (62, 1963694), (92, 1323359), (124, 981847), (713, 170756), (1426, 85378), (2852, 42689)]

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