208474563

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{967}}^1$

素因数の和:1167

約数の個数: 32

約数和(自身を含む): 312238080

約数和(自身を除く): 103763517

約数列:

[1, 3, 11, 33, 47, 139, 141, 417, 517, 967, 1529, 1551, 2901, 4587, 6533, 10637, 19599, 31911, 45449, 71863, 134413, 136347, 215589, 403239, 499939, 1478543, 1499817, 4435629, 6317411, 18952233, 69491521, 208474563]

約数ペア:

[(1, 208474563), (3, 69491521), (11, 18952233), (33, 6317411), (47, 4435629), (139, 1499817), (141, 1478543), (417, 499939), (517, 403239), (967, 215589), (1529, 136347), (1551, 134413), (2901, 71863), (4587, 45449), (6533, 31911), (10637, 19599)]