About the Number

131397504

131397503 ← → 131397505

2進数表記:111110101001111011110000000

漢数字表記:一億三千百三十九万七千五百四

素因数分解:

2 7 × 3 1 × 7 1 × 48883 1

素因数の和:48907
約数の個数: 64
約数和(自身を含む): 398893440
約数和(自身を除く): 267495936

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 48883, 97766, 146649, 195532, 293298, 342181, 391064, 586596, 684362, 782128, 1026543, 1173192, 1368724, 1564256, 2053086, 2346384, 2737448, 3128512, 4106172, 4692768, 5474896, 6257024, 8212344, 9385536, 10949792, 16424688, 18771072, 21899584, 32849376, 43799168, 65698752, 131397504]

約数ペア:
[(1, 131397504), (2, 65698752), (3, 43799168), (4, 32849376), (6, 21899584), (7, 18771072), (8, 16424688), (12, 10949792), (14, 9385536), (16, 8212344), (21, 6257024), (24, 5474896), (28, 4692768), (32, 4106172), (42, 3128512), (48, 2737448), (56, 2346384), (64, 2053086), (84, 1564256), (96, 1368724), (112, 1173192), (128, 1026543), (168, 782128), (192, 684362), (224, 586596), (336, 391064), (384, 342181), (448, 293298), (672, 195532), (896, 146649), (1344, 97766), (2688, 48883)]

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