81790156

素因数分解:

$2^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{13099}}^1$

素因数の和:13333

約数の個数: 24

約数和(自身を含む): 164326400

約数和(自身を除く): 82536244

約数列:

[1, 2, 4, 7, 14, 28, 223, 446, 892, 1561, 3122, 6244, 13099, 26198, 52396, 91693, 183386, 366772, 2921077, 5842154, 11684308, 20447539, 40895078, 81790156]

約数ペア:

[(1, 81790156), (2, 40895078), (4, 20447539), (7, 11684308), (14, 5842154), (28, 2921077), (223, 366772), (446, 183386), (892, 91693), (1561, 52396), (3122, 26198), (6244, 13099)]