12780852

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2143}}^1$

素因数の和:2228

約数の個数: 48

約数和(自身を含む): 34578432

約数和(自身を除く): 21797580

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2143, 2982, 4286, 5964, 6429, 8572, 12858, 15001, 25716, 30002, 45003, 60004, 90006, 152153, 180012, 304306, 456459, 608612, 912918, 1065071, 1825836, 2130142, 3195213, 4260284, 6390426, 12780852]

約数ペア:

[(1, 12780852), (2, 6390426), (3, 4260284), (4, 3195213), (6, 2130142), (7, 1825836), (12, 1065071), (14, 912918), (21, 608612), (28, 456459), (42, 304306), (71, 180012), (84, 152153), (142, 90006), (213, 60004), (284, 45003), (426, 30002), (497, 25716), (852, 15001), (994, 12858), (1491, 8572), (1988, 6429), (2143, 5964), (2982, 4286)]