About the Number

131388144

131388143 ← → 131388145

2進数表記:111110101001101001011110000

漢数字表記:一億三千百三十八万八千百四十四

素因数分解:

2 4 × 3 1 × 23 1 × 61 1 × 1951 1

素因数の和:2046
約数の個数: 80
約数和(自身を含む): 360167424
約数和(自身を除く): 228779280

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 61, 69, 92, 122, 138, 183, 184, 244, 276, 366, 368, 488, 552, 732, 976, 1104, 1403, 1464, 1951, 2806, 2928, 3902, 4209, 5612, 5853, 7804, 8418, 11224, 11706, 15608, 16836, 22448, 23412, 31216, 33672, 44873, 46824, 67344, 89746, 93648, 119011, 134619, 179492, 238022, 269238, 357033, 358984, 476044, 538476, 714066, 717968, 952088, 1076952, 1428132, 1904176, 2153904, 2737253, 2856264, 5474506, 5712528, 8211759, 10949012, 16423518, 21898024, 32847036, 43796048, 65694072, 131388144]

約数ペア:
[(1, 131388144), (2, 65694072), (3, 43796048), (4, 32847036), (6, 21898024), (8, 16423518), (12, 10949012), (16, 8211759), (23, 5712528), (24, 5474506), (46, 2856264), (48, 2737253), (61, 2153904), (69, 1904176), (92, 1428132), (122, 1076952), (138, 952088), (183, 717968), (184, 714066), (244, 538476), (276, 476044), (366, 358984), (368, 357033), (488, 269238), (552, 238022), (732, 179492), (976, 134619), (1104, 119011), (1403, 93648), (1464, 89746), (1951, 67344), (2806, 46824), (2928, 44873), (3902, 33672), (4209, 31216), (5612, 23412), (5853, 22448), (7804, 16836), (8418, 15608), (11224, 11706)]

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