About the Number

213889728

213889727 ← → 213889729

2進数表記:1100101111111011001011000000

漢数字表記:二億千三百八十八万九千七百二十八

素因数分解:

2 6 × 3 1 × 13 1 × 67 1 × 1279 1

素因数の和:1374
約数の個数: 112
約数和(自身を含む): 619028480
約数和(自身を除く): 405138752

約数列:
[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 67, 78, 96, 104, 134, 156, 192, 201, 208, 268, 312, 402, 416, 536, 624, 804, 832, 871, 1072, 1248, 1279, 1608, 1742, 2144, 2496, 2558, 2613, 3216, 3484, 3837, 4288, 5116, 5226, 6432, 6968, 7674, 10232, 10452, 12864, 13936, 15348, 16627, 20464, 20904, 27872, 30696, 33254, 40928, 41808, 49881, 55744, 61392, 66508, 81856, 83616, 85693, 99762, 122784, 133016, 167232, 171386, 199524, 245568, 257079, 266032, 342772, 399048, 514158, 532064, 685544, 798096, 1028316, 1064128, 1114009, 1371088, 1596192, 2056632, 2228018, 2742176, 3192384, 3342027, 4113264, 4456036, 5484352, 6684054, 8226528, 8912072, 13368108, 16453056, 17824144, 26736216, 35648288, 53472432, 71296576, 106944864, 213889728]

約数ペア:
[(1, 213889728), (2, 106944864), (3, 71296576), (4, 53472432), (6, 35648288), (8, 26736216), (12, 17824144), (13, 16453056), (16, 13368108), (24, 8912072), (26, 8226528), (32, 6684054), (39, 5484352), (48, 4456036), (52, 4113264), (64, 3342027), (67, 3192384), (78, 2742176), (96, 2228018), (104, 2056632), (134, 1596192), (156, 1371088), (192, 1114009), (201, 1064128), (208, 1028316), (268, 798096), (312, 685544), (402, 532064), (416, 514158), (536, 399048), (624, 342772), (804, 266032), (832, 257079), (871, 245568), (1072, 199524), (1248, 171386), (1279, 167232), (1608, 133016), (1742, 122784), (2144, 99762), (2496, 85693), (2558, 83616), (2613, 81856), (3216, 66508), (3484, 61392), (3837, 55744), (4288, 49881), (5116, 41808), (5226, 40928), (6432, 33254), (6968, 30696), (7674, 27872), (10232, 20904), (10452, 20464), (12864, 16627), (13936, 15348)]

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