About the Number

201996081

201996080 ← → 201996082

2進数表記:1100000010100011011100110001

漢数字表記:二億百九十九万六千八十一

素因数分解:

3 2 × 7 2 × 103 1 × 4447 1

素因数の和:4570
約数の個数: 36
約数和(自身を含む): 342780672
約数和(自身を除く): 140784591

約数列:
[1, 3, 7, 9, 21, 49, 63, 103, 147, 309, 441, 721, 927, 2163, 4447, 5047, 6489, 13341, 15141, 31129, 40023, 45423, 93387, 217903, 280161, 458041, 653709, 1374123, 1961127, 3206287, 4122369, 9618861, 22444009, 28856583, 67332027, 201996081]

約数ペア:
[(1, 201996081), (3, 67332027), (7, 28856583), (9, 22444009), (21, 9618861), (49, 4122369), (63, 3206287), (103, 1961127), (147, 1374123), (309, 653709), (441, 458041), (721, 280161), (927, 217903), (2163, 93387), (4447, 45423), (5047, 40023), (6489, 31129), (13341, 15141)]

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