About the Number

12909888

12909887 ← → 12909889

2進数表記:110001001111110101000000

漢数字表記:千二百九十万九千八百八十八

素因数分解:

2 6 × 3 3 × 31 1 × 241 1

素因数の和:293
約数の個数: 112
約数和(自身を含む): 39339520
約数和(自身を除く): 26429632

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 32, 36, 48, 54, 62, 64, 72, 93, 96, 108, 124, 144, 186, 192, 216, 241, 248, 279, 288, 372, 432, 482, 496, 558, 576, 723, 744, 837, 864, 964, 992, 1116, 1446, 1488, 1674, 1728, 1928, 1984, 2169, 2232, 2892, 2976, 3348, 3856, 4338, 4464, 5784, 5952, 6507, 6696, 7471, 7712, 8676, 8928, 11568, 13014, 13392, 14942, 15424, 17352, 17856, 22413, 23136, 26028, 26784, 29884, 34704, 44826, 46272, 52056, 53568, 59768, 67239, 69408, 89652, 104112, 119536, 134478, 138816, 179304, 201717, 208224, 239072, 268956, 358608, 403434, 416448, 478144, 537912, 717216, 806868, 1075824, 1434432, 1613736, 2151648, 3227472, 4303296, 6454944, 12909888]

約数ペア:
[(1, 12909888), (2, 6454944), (3, 4303296), (4, 3227472), (6, 2151648), (8, 1613736), (9, 1434432), (12, 1075824), (16, 806868), (18, 717216), (24, 537912), (27, 478144), (31, 416448), (32, 403434), (36, 358608), (48, 268956), (54, 239072), (62, 208224), (64, 201717), (72, 179304), (93, 138816), (96, 134478), (108, 119536), (124, 104112), (144, 89652), (186, 69408), (192, 67239), (216, 59768), (241, 53568), (248, 52056), (279, 46272), (288, 44826), (372, 34704), (432, 29884), (482, 26784), (496, 26028), (558, 23136), (576, 22413), (723, 17856), (744, 17352), (837, 15424), (864, 14942), (964, 13392), (992, 13014), (1116, 11568), (1446, 8928), (1488, 8676), (1674, 7712), (1728, 7471), (1928, 6696), (1984, 6507), (2169, 5952), (2232, 5784), (2892, 4464), (2976, 4338), (3348, 3856)]

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