68710328

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{263}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 138592080

約数和(自身を除く): 69881752

約数列:

[1, 2, 4, 8, 17, 34, 68, 113, 136, 226, 263, 289, 452, 526, 578, 904, 1052, 1156, 1921, 2104, 2312, 3842, 4471, 7684, 8942, 15368, 17884, 29719, 32657, 35768, 59438, 65314, 76007, 118876, 130628, 152014, 237752, 261256, 304028, 505223, 608056, 1010446, 2020892, 4041784, 8588791, 17177582, 34355164, 68710328]

約数ペア:

[(1, 68710328), (2, 34355164), (4, 17177582), (8, 8588791), (17, 4041784), (34, 2020892), (68, 1010446), (113, 608056), (136, 505223), (226, 304028), (263, 261256), (289, 237752), (452, 152014), (526, 130628), (578, 118876), (904, 76007), (1052, 65314), (1156, 59438), (1921, 35768), (2104, 32657), (2312, 29719), (3842, 17884), (4471, 15368), (7684, 8942)]