About the Number

131916288

131916287 ← → 131916289

2進数表記:111110111001110001000000000

漢数字表記:一億三千百九十一万六千二百八十八

素因数分解:

2 9 × 3 1 × 7 1 × 12269 1

素因数の和:12297
約数の個数: 80
約数和(自身を含む): 401670720
約数和(自身を除く): 269754432

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, 256, 336, 384, 448, 512, 672, 768, 896, 1344, 1536, 1792, 2688, 3584, 5376, 10752, 12269, 24538, 36807, 49076, 73614, 85883, 98152, 147228, 171766, 196304, 257649, 294456, 343532, 392608, 515298, 588912, 687064, 785216, 1030596, 1177824, 1374128, 1570432, 2061192, 2355648, 2748256, 3140864, 4122384, 4711296, 5496512, 6281728, 8244768, 9422592, 10993024, 16489536, 18845184, 21986048, 32979072, 43972096, 65958144, 131916288]

約数ペア:
[(1, 131916288), (2, 65958144), (3, 43972096), (4, 32979072), (6, 21986048), (7, 18845184), (8, 16489536), (12, 10993024), (14, 9422592), (16, 8244768), (21, 6281728), (24, 5496512), (28, 4711296), (32, 4122384), (42, 3140864), (48, 2748256), (56, 2355648), (64, 2061192), (84, 1570432), (96, 1374128), (112, 1177824), (128, 1030596), (168, 785216), (192, 687064), (224, 588912), (256, 515298), (336, 392608), (384, 343532), (448, 294456), (512, 257649), (672, 196304), (768, 171766), (896, 147228), (1344, 98152), (1536, 85883), (1792, 73614), (2688, 49076), (3584, 36807), (5376, 24538), (10752, 12269)]

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