About the Number

138973890

138973889 ← → 138973891

2進数表記:1000010010001001001011000010

漢数字表記:一億三千八百九十七万三千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 11 1 × 421133 1

素因数の和:421154
約数の個数: 32
約数和(自身を含む): 363859776
約数和(自身を除く): 224885886

約数列:
[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 421133, 842266, 1263399, 2105665, 2526798, 4211330, 4632463, 6316995, 9264926, 12633990, 13897389, 23162315, 27794778, 46324630, 69486945, 138973890]

約数ペア:
[(1, 138973890), (2, 69486945), (3, 46324630), (5, 27794778), (6, 23162315), (10, 13897389), (11, 12633990), (15, 9264926), (22, 6316995), (30, 4632463), (33, 4211330), (55, 2526798), (66, 2105665), (110, 1263399), (165, 842266), (330, 421133)]

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