About the Number

13891986

13891985 ← → 13891987

2進数表記:110100111111100110010010

漢数字表記:千三百八十九万千九百八十六

素因数分解:

2 1 × 3 4 × 29 1 × 2957 1

素因数の和:3000
約数の個数: 40
約数和(自身を含む): 32212620
約数和(自身を除く): 18320634

約数列:
[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 81, 87, 162, 174, 261, 522, 783, 1566, 2349, 2957, 4698, 5914, 8871, 17742, 26613, 53226, 79839, 85753, 159678, 171506, 239517, 257259, 479034, 514518, 771777, 1543554, 2315331, 4630662, 6945993, 13891986]

約数ペア:
[(1, 13891986), (2, 6945993), (3, 4630662), (6, 2315331), (9, 1543554), (18, 771777), (27, 514518), (29, 479034), (54, 257259), (58, 239517), (81, 171506), (87, 159678), (162, 85753), (174, 79839), (261, 53226), (522, 26613), (783, 17742), (1566, 8871), (2349, 5914), (2957, 4698)]

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