About the Number

131394864

131394863 ← → 131394865

2進数表記:111110101001110110100110000

漢数字表記:一億三千百三十九万四千八百六十四

素因数分解:

2 4 × 3 1 × 31 1 × 227 1 × 389 1

素因数の和:658
約数の個数: 80
約数和(自身を含む): 352834560
約数和(自身を除く): 221439696

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 227, 248, 372, 389, 454, 496, 681, 744, 778, 908, 1167, 1362, 1488, 1556, 1816, 2334, 2724, 3112, 3632, 4668, 5448, 6224, 7037, 9336, 10896, 12059, 14074, 18672, 21111, 24118, 28148, 36177, 42222, 48236, 56296, 72354, 84444, 88303, 96472, 112592, 144708, 168888, 176606, 192944, 264909, 289416, 337776, 353212, 529818, 578832, 706424, 1059636, 1412848, 2119272, 2737393, 4238544, 5474786, 8212179, 10949572, 16424358, 21899144, 32848716, 43798288, 65697432, 131394864]

約数ペア:
[(1, 131394864), (2, 65697432), (3, 43798288), (4, 32848716), (6, 21899144), (8, 16424358), (12, 10949572), (16, 8212179), (24, 5474786), (31, 4238544), (48, 2737393), (62, 2119272), (93, 1412848), (124, 1059636), (186, 706424), (227, 578832), (248, 529818), (372, 353212), (389, 337776), (454, 289416), (496, 264909), (681, 192944), (744, 176606), (778, 168888), (908, 144708), (1167, 112592), (1362, 96472), (1488, 88303), (1556, 84444), (1816, 72354), (2334, 56296), (2724, 48236), (3112, 42222), (3632, 36177), (4668, 28148), (5448, 24118), (6224, 21111), (7037, 18672), (9336, 14074), (10896, 12059)]

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