About the Number

71887872

71887871 ← → 71887873

2進数表記:100010010001110110000000000

漢数字表記:七千百八十八万七千八百七十二

素因数分解:

2 10 × 3 1 × 7 1 × 3343 1

素因数の和:3373
約数の個数: 88
約数和(自身を含む): 219045376
約数和(自身を除く): 147157504

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 256, 336, 384, 448, 512, 672, 768, 896, 1024, 1344, 1536, 1792, 2688, 3072, 3343, 3584, 5376, 6686, 7168, 10029, 10752, 13372, 20058, 21504, 23401, 26744, 40116, 46802, 53488, 70203, 80232, 93604, 106976, 140406, 160464, 187208, 213952, 280812, 320928, 374416, 427904, 561624, 641856, 748832, 855808, 1123248, 1283712, 1497664, 1711616, 2246496, 2567424, 2995328, 3423232, 4492992, 5134848, 5990656, 8985984, 10269696, 11981312, 17971968, 23962624, 35943936, 71887872]

約数ペア:
[(1, 71887872), (2, 35943936), (3, 23962624), (4, 17971968), (6, 11981312), (7, 10269696), (8, 8985984), (12, 5990656), (14, 5134848), (16, 4492992), (21, 3423232), (24, 2995328), (28, 2567424), (32, 2246496), (42, 1711616), (48, 1497664), (56, 1283712), (64, 1123248), (84, 855808), (96, 748832), (112, 641856), (128, 561624), (168, 427904), (192, 374416), (224, 320928), (256, 280812), (336, 213952), (384, 187208), (448, 160464), (512, 140406), (672, 106976), (768, 93604), (896, 80232), (1024, 70203), (1344, 53488), (1536, 46802), (1792, 40116), (2688, 26744), (3072, 23401), (3343, 21504), (3584, 20058), (5376, 13372), (6686, 10752), (7168, 10029)]

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