About the Number

12903990

12903989 ← → 12903991

2進数表記:110001001110011000110110

漢数字表記:千二百九十万三千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 11 1 × 39103 1

素因数の和:39124
約数の個数: 32
約数和(自身を含む): 33785856
約数和(自身を除く): 20881866

約数列:
[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 39103, 78206, 117309, 195515, 234618, 391030, 430133, 586545, 860266, 1173090, 1290399, 2150665, 2580798, 4301330, 6451995, 12903990]

約数ペア:
[(1, 12903990), (2, 6451995), (3, 4301330), (5, 2580798), (6, 2150665), (10, 1290399), (11, 1173090), (15, 860266), (22, 586545), (30, 430133), (33, 391030), (55, 234618), (66, 195515), (110, 117309), (165, 78206), (330, 39103)]

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