About the Number

13881091390

13881091389 ← → 13881091391

2進数表記:1100111011011000001010010100111110

漢数字表記:百三十八億八千百九万千三百九十

素因数分解:

2 1 × 5 1 × 47 1 × 29534237 1

素因数の和:29534291
約数の個数: 16
約数和(自身を含む): 25517581632
約数和(自身を除く): 11636490242

約数列:
[1, 2, 5, 10, 47, 94, 235, 470, 29534237, 59068474, 147671185, 295342370, 1388109139, 2776218278, 6940545695, 13881091390]

約数ペア:
[(1, 13881091390), (2, 6940545695), (5, 2776218278), (10, 1388109139), (47, 295342370), (94, 147671185), (235, 59068474), (470, 29534237)]

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