81874448

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1249}}^1$

素因数の和:1515

約数の個数: 40

約数和(自身を含む): 168795000

約数和(自身を除く): 86920552

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 241, 272, 482, 964, 1249, 1928, 2498, 3856, 4097, 4996, 8194, 9992, 16388, 19984, 21233, 32776, 42466, 65552, 84932, 169864, 301009, 339728, 602018, 1204036, 2408072, 4816144, 5117153, 10234306, 20468612, 40937224, 81874448]

約数ペア:

[(1, 81874448), (2, 40937224), (4, 20468612), (8, 10234306), (16, 5117153), (17, 4816144), (34, 2408072), (68, 1204036), (136, 602018), (241, 339728), (272, 301009), (482, 169864), (964, 84932), (1249, 65552), (1928, 42466), (2498, 32776), (3856, 21233), (4097, 19984), (4996, 16388), (8194, 9992)]