About the Number

12631890

12631889 ← → 12631891

2進数表記:110000001011111101010010

漢数字表記:千二百六十三万千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 263 1 × 1601 1

素因数の和:1874
約数の個数: 32
約数和(自身を含む): 30450816
約数和(自身を除く): 17818926

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 263, 526, 789, 1315, 1578, 1601, 2630, 3202, 3945, 4803, 7890, 8005, 9606, 16010, 24015, 48030, 421063, 842126, 1263189, 2105315, 2526378, 4210630, 6315945, 12631890]

約数ペア:
[(1, 12631890), (2, 6315945), (3, 4210630), (5, 2526378), (6, 2105315), (10, 1263189), (15, 842126), (30, 421063), (263, 48030), (526, 24015), (789, 16010), (1315, 9606), (1578, 8005), (1601, 7890), (2630, 4803), (3202, 3945)]

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