About the Number

201391004

201391003 ← → 201391005

2進数表記:1100000000001111101110011100

漢数字表記:二億百三十九万千四

素因数分解:

2 2 × 31 2 × 52391 1

素因数の和:52457
約数の個数: 18
約数和(自身を含む): 364176792
約数和(自身を除く): 162785788

約数列:
[1, 2, 4, 31, 62, 124, 961, 1922, 3844, 52391, 104782, 209564, 1624121, 3248242, 6496484, 50347751, 100695502, 201391004]

約数ペア:
[(1, 201391004), (2, 100695502), (4, 50347751), (31, 6496484), (62, 3248242), (124, 1624121), (961, 209564), (1922, 104782), (3844, 52391)]

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