About the Number

201388124

201388123 ← → 201388125

2進数表記:1100000000001111000001011100

漢数字表記:二億百三十八万八千百二十四

素因数分解:

2 2 × 7 1 × 107 1 × 67219 1

素因数の和:67337
約数の個数: 24
約数和(自身を含む): 406546560
約数和(自身を除く): 205158436

約数列:
[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 67219, 134438, 268876, 470533, 941066, 1882132, 7192433, 14384866, 28769732, 50347031, 100694062, 201388124]

約数ペア:
[(1, 201388124), (2, 100694062), (4, 50347031), (7, 28769732), (14, 14384866), (28, 7192433), (107, 1882132), (214, 941066), (428, 470533), (749, 268876), (1498, 134438), (2996, 67219)]

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