208021864

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{3187}}^1$

素因数の和:3433

約数の個数: 32

約数和(自身を含む): 401688000

約数和(自身を除く): 193666136

約数列:

[1, 2, 4, 8, 41, 82, 164, 199, 328, 398, 796, 1592, 3187, 6374, 8159, 12748, 16318, 25496, 32636, 65272, 130667, 261334, 522668, 634213, 1045336, 1268426, 2536852, 5073704, 26002733, 52005466, 104010932, 208021864]

約数ペア:

[(1, 208021864), (2, 104010932), (4, 52005466), (8, 26002733), (41, 5073704), (82, 2536852), (164, 1268426), (199, 1045336), (328, 634213), (398, 522668), (796, 261334), (1592, 130667), (3187, 65272), (6374, 32636), (8159, 25496), (12748, 16318)]