51740416

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2221}}^1$

素因数の和:2257

約数の個数: 72

約数和(自身を含む): 127169504

約数和(自身を除く): 75429088

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 256, 364, 416, 448, 728, 832, 896, 1456, 1664, 1792, 2221, 2912, 3328, 4442, 5824, 8884, 11648, 15547, 17768, 23296, 28873, 31094, 35536, 57746, 62188, 71072, 115492, 124376, 142144, 202111, 230984, 248752, 284288, 404222, 461968, 497504, 568576, 808444, 923936, 995008, 1616888, 1847872, 1990016, 3233776, 3695744, 3980032, 6467552, 7391488, 12935104, 25870208, 51740416]

約数ペア:

[(1, 51740416), (2, 25870208), (4, 12935104), (7, 7391488), (8, 6467552), (13, 3980032), (14, 3695744), (16, 3233776), (26, 1990016), (28, 1847872), (32, 1616888), (52, 995008), (56, 923936), (64, 808444), (91, 568576), (104, 497504), (112, 461968), (128, 404222), (182, 284288), (208, 248752), (224, 230984), (256, 202111), (364, 142144), (416, 124376), (448, 115492), (728, 71072), (832, 62188), (896, 57746), (1456, 35536), (1664, 31094), (1792, 28873), (2221, 23296), (2912, 17768), (3328, 15547), (4442, 11648), (5824, 8884)]