About the Number

131390766

131390765 ← → 131390767

2進数表記:111110101001101110100101110

漢数字表記:一億三千百三十九万七百六十六

素因数分解:

2 1 × 3 2 × 13 1 × 23 1 × 24413 1

素因数の和:24457
約数の個数: 48
約数和(自身を含む): 319921056
約数和(自身を除く): 188530290

約数列:
[1, 2, 3, 6, 9, 13, 18, 23, 26, 39, 46, 69, 78, 117, 138, 207, 234, 299, 414, 598, 897, 1794, 2691, 5382, 24413, 48826, 73239, 146478, 219717, 317369, 439434, 561499, 634738, 952107, 1122998, 1684497, 1904214, 2856321, 3368994, 5053491, 5712642, 7299487, 10106982, 14598974, 21898461, 43796922, 65695383, 131390766]

約数ペア:
[(1, 131390766), (2, 65695383), (3, 43796922), (6, 21898461), (9, 14598974), (13, 10106982), (18, 7299487), (23, 5712642), (26, 5053491), (39, 3368994), (46, 2856321), (69, 1904214), (78, 1684497), (117, 1122998), (138, 952107), (207, 634738), (234, 561499), (299, 439434), (414, 317369), (598, 219717), (897, 146478), (1794, 73239), (2691, 48826), (5382, 24413)]

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