About the Number

201216212

201216211 ← → 201216213

2進数表記:1011111111100101000011010100

漢数字表記:二億百二十一万六千二百十二

素因数分解:

2 2 × 37 1 × 47 1 × 28927 1

素因数の和:29015
約数の個数: 24
約数和(自身を含む): 369352704
約数和(自身を除く): 168136492

約数列:
[1, 2, 4, 37, 47, 74, 94, 148, 188, 1739, 3478, 6956, 28927, 57854, 115708, 1070299, 1359569, 2140598, 2719138, 4281196, 5438276, 50304053, 100608106, 201216212]

約数ペア:
[(1, 201216212), (2, 100608106), (4, 50304053), (37, 5438276), (47, 4281196), (74, 2719138), (94, 2140598), (148, 1359569), (188, 1070299), (1739, 115708), (3478, 57854), (6956, 28927)]

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