About the Number

131490432

131490431 ← → 131490433

2進数表記:111110101100110001010000000

漢数字表記:一億三千百四十九万四百三十二

素因数分解:

2 7 × 3 3 × 38047 1

素因数の和:38070
約数の個数: 64
約数和(自身を含む): 388089600
約数和(自身を除く): 256599168

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 288, 384, 432, 576, 864, 1152, 1728, 3456, 38047, 76094, 114141, 152188, 228282, 304376, 342423, 456564, 608752, 684846, 913128, 1027269, 1217504, 1369692, 1826256, 2054538, 2435008, 2739384, 3652512, 4109076, 4870016, 5478768, 7305024, 8218152, 10957536, 14610048, 16436304, 21915072, 32872608, 43830144, 65745216, 131490432]

約数ペア:
[(1, 131490432), (2, 65745216), (3, 43830144), (4, 32872608), (6, 21915072), (8, 16436304), (9, 14610048), (12, 10957536), (16, 8218152), (18, 7305024), (24, 5478768), (27, 4870016), (32, 4109076), (36, 3652512), (48, 2739384), (54, 2435008), (64, 2054538), (72, 1826256), (96, 1369692), (108, 1217504), (128, 1027269), (144, 913128), (192, 684846), (216, 608752), (288, 456564), (384, 342423), (432, 304376), (576, 228282), (864, 152188), (1152, 114141), (1728, 76094), (3456, 38047)]

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