About the Number

13491990

13491989 ← → 13491991

2進数表記:110011011101111100010110

漢数字表記:千三百四十九万千九百九十

素因数分解:

2 1 × 3 2 × 5 1 × 149911 1

素因数の和:149924
約数の個数: 24
約数和(自身を含む): 35079408
約数和(自身を除く): 21587418

約数列:
[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 149911, 299822, 449733, 749555, 899466, 1349199, 1499110, 2248665, 2698398, 4497330, 6745995, 13491990]

約数ペア:
[(1, 13491990), (2, 6745995), (3, 4497330), (5, 2698398), (6, 2248665), (9, 1499110), (10, 1349199), (15, 899466), (18, 749555), (30, 449733), (45, 299822), (90, 149911)]

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