About the Number

12120906

12120905 ← → 12120907

2進数表記:101110001111001101001010

漢数字表記:千二百十二万九百六

素因数分解:

2 1 × 3 1 × 7 1 × 131 1 × 2203 1

素因数の和:2346
約数の個数: 32
約数和(自身を含む): 27929088
約数和(自身を除く): 15808182

約数列:
[1, 2, 3, 6, 7, 14, 21, 42, 131, 262, 393, 786, 917, 1834, 2203, 2751, 4406, 5502, 6609, 13218, 15421, 30842, 46263, 92526, 288593, 577186, 865779, 1731558, 2020151, 4040302, 6060453, 12120906]

約数ペア:
[(1, 12120906), (2, 6060453), (3, 4040302), (6, 2020151), (7, 1731558), (14, 865779), (21, 577186), (42, 288593), (131, 92526), (262, 46263), (393, 30842), (786, 15421), (917, 13218), (1834, 6609), (2203, 5502), (2751, 4406)]

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