About the Number

12131205888

12131205887 ← → 12131205889

2進数表記:1011010011000100111000001100000000

漢数字表記:百二十一億三千百二十万五千八百八十八

素因数分解:

2 8 × 3 1 × 163 1 × 96907 1

素因数の和:97089
約数の個数: 72
約数和(自身を含む): 32485112128
約数和(自身を除く): 20353906240

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 163, 192, 256, 326, 384, 489, 652, 768, 978, 1304, 1956, 2608, 3912, 5216, 7824, 10432, 15648, 20864, 31296, 41728, 62592, 96907, 125184, 193814, 290721, 387628, 581442, 775256, 1162884, 1550512, 2325768, 3101024, 4651536, 6202048, 9303072, 12404096, 15795841, 18606144, 24808192, 31591682, 37212288, 47387523, 63183364, 74424576, 94775046, 126366728, 189550092, 252733456, 379100184, 505466912, 758200368, 1010933824, 1516400736, 2021867648, 3032801472, 4043735296, 6065602944, 12131205888]

約数ペア:
[(1, 12131205888), (2, 6065602944), (3, 4043735296), (4, 3032801472), (6, 2021867648), (8, 1516400736), (12, 1010933824), (16, 758200368), (24, 505466912), (32, 379100184), (48, 252733456), (64, 189550092), (96, 126366728), (128, 94775046), (163, 74424576), (192, 63183364), (256, 47387523), (326, 37212288), (384, 31591682), (489, 24808192), (652, 18606144), (768, 15795841), (978, 12404096), (1304, 9303072), (1956, 6202048), (2608, 4651536), (3912, 3101024), (5216, 2325768), (7824, 1550512), (10432, 1162884), (15648, 775256), (20864, 581442), (31296, 387628), (41728, 290721), (62592, 193814), (96907, 125184)]

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