About the Number

131521130

131521129 ← → 131521131

2進数表記:111110101101101101001101010

漢数字表記:一億三千百五十二万千百三十

素因数分解:

2 1 × 5 1 × 13 1 × 23 1 × 43987 1

素因数の和:44030
約数の個数: 32
約数和(自身を含む): 266039424
約数和(自身を除く): 134518294

約数列:
[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 43987, 87974, 219935, 439870, 571831, 1011701, 1143662, 2023402, 2859155, 5058505, 5718310, 10117010, 13152113, 26304226, 65760565, 131521130]

約数ペア:
[(1, 131521130), (2, 65760565), (5, 26304226), (10, 13152113), (13, 10117010), (23, 5718310), (26, 5058505), (46, 2859155), (65, 2023402), (115, 1143662), (130, 1011701), (230, 571831), (299, 439870), (598, 219935), (1495, 87974), (2990, 43987)]

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