About the Number

121880668

121880667 ← → 121880669

2進数表記:111010000111100000001011100

漢数字表記:一億二千百八十八万六百六十八

素因数分解:

2 2 × 7 1 × 13 1 × 19 1 × 17623 1

素因数の和:17666
約数の個数: 48
約数和(自身を含む): 276344320
約数和(自身を除く): 154463652

約数列:
[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 3458, 6916, 17623, 35246, 70492, 123361, 229099, 246722, 334837, 458198, 493444, 669674, 916396, 1339348, 1603693, 2343859, 3207386, 4352881, 4687718, 6414772, 8705762, 9375436, 17411524, 30470167, 60940334, 121880668]

約数ペア:
[(1, 121880668), (2, 60940334), (4, 30470167), (7, 17411524), (13, 9375436), (14, 8705762), (19, 6414772), (26, 4687718), (28, 4352881), (38, 3207386), (52, 2343859), (76, 1603693), (91, 1339348), (133, 916396), (182, 669674), (247, 493444), (266, 458198), (364, 334837), (494, 246722), (532, 229099), (988, 123361), (1729, 70492), (3458, 35246), (6916, 17623)]

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