12821656

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1259}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 25704000

約数和(自身を除く): 12882344

約数列:

[1, 2, 4, 8, 19, 38, 67, 76, 134, 152, 268, 536, 1259, 1273, 2518, 2546, 5036, 5092, 10072, 10184, 23921, 47842, 84353, 95684, 168706, 191368, 337412, 674824, 1602707, 3205414, 6410828, 12821656]

約数ペア:

[(1, 12821656), (2, 6410828), (4, 3205414), (8, 1602707), (19, 674824), (38, 337412), (67, 191368), (76, 168706), (134, 95684), (152, 84353), (268, 47842), (536, 23921), (1259, 10184), (1273, 10072), (2518, 5092), (2546, 5036)]