About the Number

12915984

12915983 ← → 12915985

2進数表記:110001010001010100010000

漢数字表記:千二百九十一万五千九百八十四

素因数分解:

2 4 × 3 1 × 41 1 × 6563 1

素因数の和:6615
約数の個数: 40
約数和(自身を含む): 34185312
約数和(自身を除く): 21269328

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 6563, 13126, 19689, 26252, 39378, 52504, 78756, 105008, 157512, 269083, 315024, 538166, 807249, 1076332, 1614498, 2152664, 3228996, 4305328, 6457992, 12915984]

約数ペア:
[(1, 12915984), (2, 6457992), (3, 4305328), (4, 3228996), (6, 2152664), (8, 1614498), (12, 1076332), (16, 807249), (24, 538166), (41, 315024), (48, 269083), (82, 157512), (123, 105008), (164, 78756), (246, 52504), (328, 39378), (492, 26252), (656, 19689), (984, 13126), (1968, 6563)]

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