About the Number

131207208

131207207 ← → 131207209

2進数表記:111110100100001000000101000

漢数字表記:一億三千百二十万七千二百八

素因数分解:

2 3 × 3 1 × 11 1 × 496997 1

素因数の和:497017
約数の個数: 32
約数和(自身を含む): 357838560
約数和(自身を除く): 226631352

約数列:
[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 88, 132, 264, 496997, 993994, 1490991, 1987988, 2981982, 3975976, 5466967, 5963964, 10933934, 11927928, 16400901, 21867868, 32801802, 43735736, 65603604, 131207208]

約数ペア:
[(1, 131207208), (2, 65603604), (3, 43735736), (4, 32801802), (6, 21867868), (8, 16400901), (11, 11927928), (12, 10933934), (22, 5963964), (24, 5466967), (33, 3975976), (44, 2981982), (66, 1987988), (88, 1490991), (132, 993994), (264, 496997)]

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