About the Number

1388384256

1388384255 ← → 1388384257

2進数表記:1010010110000010001000000000000

漢数字表記:十三億八千八百三十八万四千二百五十六

素因数分解:

2 12 × 3 1 × 7 1 × 16141 1

素因数の和:16175
約数の個数: 104
約数和(自身を含む): 4231011904
約数和(自身を除く): 2842627648

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, 2048, 2688, 3072, 3584, 4096, 5376, 6144, 7168, 10752, 12288, 14336, 16141, 21504, 28672, 32282, 43008, 48423, 64564, 86016, 96846, 112987, 129128, 193692, 225974, 258256, 338961, 387384, 451948, 516512, 677922, 774768, 903896, 1033024, 1355844, 1549536, 1807792, 2066048, 2711688, 3099072, 3615584, 4132096, 5423376, 6198144, 7231168, 8264192, 10846752, 12396288, 14462336, 16528384, 21693504, 24792576, 28924672, 33056768, 43387008, 49585152, 57849344, 66113536, 86774016, 99170304, 115698688, 173548032, 198340608, 231397376, 347096064, 462794752, 694192128, 1388384256]

約数ペア:
[(1, 1388384256), (2, 694192128), (3, 462794752), (4, 347096064), (6, 231397376), (7, 198340608), (8, 173548032), (12, 115698688), (14, 99170304), (16, 86774016), (21, 66113536), (24, 57849344), (28, 49585152), (32, 43387008), (42, 33056768), (48, 28924672), (56, 24792576), (64, 21693504), (84, 16528384), (96, 14462336), (112, 12396288), (128, 10846752), (168, 8264192), (192, 7231168), (224, 6198144), (256, 5423376), (336, 4132096), (384, 3615584), (448, 3099072), (512, 2711688), (672, 2066048), (768, 1807792), (896, 1549536), (1024, 1355844), (1344, 1033024), (1536, 903896), (1792, 774768), (2048, 677922), (2688, 516512), (3072, 451948), (3584, 387384), (4096, 338961), (5376, 258256), (6144, 225974), (7168, 193692), (10752, 129128), (12288, 112987), (14336, 96846), (16141, 86016), (21504, 64564), (28672, 48423), (32282, 43008)]

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