About the Number

289311408

289311407 ← → 289311409

2進数表記:10001001111101000101010110000

漢数字表記:二億八千九百三十一万千四百八

素因数分解:

2 4 × 3 2 × 2009107 1

素因数の和:2009121
約数の個数: 30
約数和(自身を含む): 809670524
約数和(自身を除く): 520359116

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 2009107, 4018214, 6027321, 8036428, 12054642, 16072856, 18081963, 24109284, 32145712, 36163926, 48218568, 72327852, 96437136, 144655704, 289311408]

約数ペア:
[(1, 289311408), (2, 144655704), (3, 96437136), (4, 72327852), (6, 48218568), (8, 36163926), (9, 32145712), (12, 24109284), (16, 18081963), (18, 16072856), (24, 12054642), (36, 8036428), (48, 6027321), (72, 4018214), (144, 2009107)]

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