About the Number

1287481088

1287481087 ← → 1287481089

2進数表記:1001100101111010110011100000000

漢数字表記:十二億八千七百四十八万千八十八

素因数分解:

2 8 × 31 1 × 53 1 × 3061 1

素因数の和:3161
約数の個数: 72
約数和(自身を含む): 2703770496
約数和(自身を除く): 1416289408

約数列:
[1, 2, 4, 8, 16, 31, 32, 53, 62, 64, 106, 124, 128, 212, 248, 256, 424, 496, 848, 992, 1643, 1696, 1984, 3061, 3286, 3392, 3968, 6122, 6572, 6784, 7936, 12244, 13144, 13568, 24488, 26288, 48976, 52576, 94891, 97952, 105152, 162233, 189782, 195904, 210304, 324466, 379564, 391808, 420608, 648932, 759128, 783616, 1297864, 1518256, 2595728, 3036512, 5029223, 5191456, 6073024, 10058446, 10382912, 12146048, 20116892, 20765824, 24292096, 40233784, 41531648, 80467568, 160935136, 321870272, 643740544, 1287481088]

約数ペア:
[(1, 1287481088), (2, 643740544), (4, 321870272), (8, 160935136), (16, 80467568), (31, 41531648), (32, 40233784), (53, 24292096), (62, 20765824), (64, 20116892), (106, 12146048), (124, 10382912), (128, 10058446), (212, 6073024), (248, 5191456), (256, 5029223), (424, 3036512), (496, 2595728), (848, 1518256), (992, 1297864), (1643, 783616), (1696, 759128), (1984, 648932), (3061, 420608), (3286, 391808), (3392, 379564), (3968, 324466), (6122, 210304), (6572, 195904), (6784, 189782), (7936, 162233), (12244, 105152), (13144, 97952), (13568, 94891), (24488, 52576), (26288, 48976)]

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