About the Number

201189849

201189848 ← → 201189850

2進数表記:1011111111011110100111011001

漢数字表記:二億百十八万九千八百四十九

素因数分解:

3 1 × 7 1 × 17 1 × 29 1 × 19433 1

素因数の和:19489
約数の個数: 32
約数和(自身を含む): 335819520
約数和(自身を除く): 134629671

約数列:
[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 3451, 10353, 19433, 58299, 136031, 330361, 408093, 563557, 991083, 1690671, 2312527, 3944899, 6937581, 9580469, 11834697, 28741407, 67063283, 201189849]

約数ペア:
[(1, 201189849), (3, 67063283), (7, 28741407), (17, 11834697), (21, 9580469), (29, 6937581), (51, 3944899), (87, 2312527), (119, 1690671), (203, 991083), (357, 563557), (493, 408093), (609, 330361), (1479, 136031), (3451, 58299), (10353, 19433)]

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