260240008

素因数分解:

$2^3\times 7^1\times {\mathrm{283}}^1\times {\mathrm{16421}}^1$

素因数の和:16717

約数の個数: 32

約数和(自身を含む): 559661760

約数和(自身を除く): 299421752

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 283, 566, 1132, 1981, 2264, 3962, 7924, 15848, 16421, 32842, 65684, 114947, 131368, 229894, 459788, 919576, 4647143, 9294286, 18588572, 32530001, 37177144, 65060002, 130120004, 260240008]

約数ペア:

[(1, 260240008), (2, 130120004), (4, 65060002), (7, 37177144), (8, 32530001), (14, 18588572), (28, 9294286), (56, 4647143), (283, 919576), (566, 459788), (1132, 229894), (1981, 131368), (2264, 114947), (3962, 65684), (7924, 32842), (15848, 16421)]