About the Number

12385890

12385889 ← → 12385891

2進数表記:101111001111111001100010

漢数字表記:千二百三十八万五千八百九十

素因数分解:

2 1 × 3 2 × 5 1 × 11 1 × 12511 1

素因数の和:12535
約数の個数: 48
約数和(自身を含む): 35133696
約数和(自身を除く): 22747806

約数列:
[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 12511, 25022, 37533, 62555, 75066, 112599, 125110, 137621, 187665, 225198, 275242, 375330, 412863, 562995, 688105, 825726, 1125990, 1238589, 1376210, 2064315, 2477178, 4128630, 6192945, 12385890]

約数ペア:
[(1, 12385890), (2, 6192945), (3, 4128630), (5, 2477178), (6, 2064315), (9, 1376210), (10, 1238589), (11, 1125990), (15, 825726), (18, 688105), (22, 562995), (30, 412863), (33, 375330), (45, 275242), (55, 225198), (66, 187665), (90, 137621), (99, 125110), (110, 112599), (165, 75066), (198, 62555), (330, 37533), (495, 25022), (990, 12511)]

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