About the Number

138889588991

138889588990 ← → 138889588992

2進数表記:10000001010110011101101111000011111111

漢数字表記:千三百八十八億八千九百五十八万八千九百九十一

素因数分解:

17 1 × 41 1 × 113 1 × 1763431 1

素因数の和:1763602
約数の個数: 16
約数和(自身を含む): 151979623488
約数和(自身を除く): 13090034497

約数列:
[1, 17, 41, 113, 697, 1921, 4633, 78761, 1763431, 29978327, 72300671, 199267703, 1229111407, 3387550951, 8169975823, 138889588991]

約数ペア:
[(1, 138889588991), (17, 8169975823), (41, 3387550951), (113, 1229111407), (697, 199267703), (1921, 72300671), (4633, 29978327), (78761, 1763431)]

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