About the Number

12131208

12131207 ← → 12131209

2進数表記:101110010001101110001000

漢数字表記:千二百十三万千二百八

素因数分解:

2 3 × 3 4 × 97 1 × 193 1

素因数の和:308
約数の個数: 80
約数和(自身を含む): 34506780
約数和(自身を除く): 22375572

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 97, 108, 162, 193, 194, 216, 291, 324, 386, 388, 579, 582, 648, 772, 776, 873, 1158, 1164, 1544, 1737, 1746, 2316, 2328, 2619, 3474, 3492, 4632, 5211, 5238, 6948, 6984, 7857, 10422, 10476, 13896, 15633, 15714, 18721, 20844, 20952, 31266, 31428, 37442, 41688, 56163, 62532, 62856, 74884, 112326, 125064, 149768, 168489, 224652, 336978, 449304, 505467, 673956, 1010934, 1347912, 1516401, 2021868, 3032802, 4043736, 6065604, 12131208]

約数ペア:
[(1, 12131208), (2, 6065604), (3, 4043736), (4, 3032802), (6, 2021868), (8, 1516401), (9, 1347912), (12, 1010934), (18, 673956), (24, 505467), (27, 449304), (36, 336978), (54, 224652), (72, 168489), (81, 149768), (97, 125064), (108, 112326), (162, 74884), (193, 62856), (194, 62532), (216, 56163), (291, 41688), (324, 37442), (386, 31428), (388, 31266), (579, 20952), (582, 20844), (648, 18721), (772, 15714), (776, 15633), (873, 13896), (1158, 10476), (1164, 10422), (1544, 7857), (1737, 6984), (1746, 6948), (2316, 5238), (2328, 5211), (2619, 4632), (3474, 3492)]

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