About the Number

131988672

131988671 ← → 131988673

2進数表記:111110111011111110011000000

漢数字表記:一億三千百九十八万八千六百七十二

素因数分解:

2 6 × 3 2 × 43 1 × 73 2

素因数の和:207
約数の個数: 126
約数和(自身を含む): 392495532
約数和(自身を除く): 260506860

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 43, 48, 64, 72, 73, 86, 96, 129, 144, 146, 172, 192, 219, 258, 288, 292, 344, 387, 438, 516, 576, 584, 657, 688, 774, 876, 1032, 1168, 1314, 1376, 1548, 1752, 2064, 2336, 2628, 2752, 3096, 3139, 3504, 4128, 4672, 5256, 5329, 6192, 6278, 7008, 8256, 9417, 10512, 10658, 12384, 12556, 14016, 15987, 18834, 21024, 21316, 24768, 25112, 28251, 31974, 37668, 42048, 42632, 47961, 50224, 56502, 63948, 75336, 85264, 95922, 100448, 113004, 127896, 150672, 170528, 191844, 200896, 226008, 229147, 255792, 301344, 341056, 383688, 452016, 458294, 511584, 602688, 687441, 767376, 904032, 916588, 1023168, 1374882, 1534752, 1808064, 1833176, 2062323, 2749764, 3069504, 3666352, 4124646, 5499528, 7332704, 8249292, 10999056, 14665408, 16498584, 21998112, 32997168, 43996224, 65994336, 131988672]

約数ペア:
[(1, 131988672), (2, 65994336), (3, 43996224), (4, 32997168), (6, 21998112), (8, 16498584), (9, 14665408), (12, 10999056), (16, 8249292), (18, 7332704), (24, 5499528), (32, 4124646), (36, 3666352), (43, 3069504), (48, 2749764), (64, 2062323), (72, 1833176), (73, 1808064), (86, 1534752), (96, 1374882), (129, 1023168), (144, 916588), (146, 904032), (172, 767376), (192, 687441), (219, 602688), (258, 511584), (288, 458294), (292, 452016), (344, 383688), (387, 341056), (438, 301344), (516, 255792), (576, 229147), (584, 226008), (657, 200896), (688, 191844), (774, 170528), (876, 150672), (1032, 127896), (1168, 113004), (1314, 100448), (1376, 95922), (1548, 85264), (1752, 75336), (2064, 63948), (2336, 56502), (2628, 50224), (2752, 47961), (3096, 42632), (3139, 42048), (3504, 37668), (4128, 31974), (4672, 28251), (5256, 25112), (5329, 24768), (6192, 21316), (6278, 21024), (7008, 18834), (8256, 15987), (9417, 14016), (10512, 12556), (10658, 12384)]

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