378739984

素因数分解:

$2^4\times 7^1\times {\mathrm{199}}^1\times {\mathrm{16993}}^1$

素因数の和:17207

約数の個数: 40

約数和(自身を含む): 842902400

約数和(自身を除く): 464162416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 199, 398, 796, 1393, 1592, 2786, 3184, 5572, 11144, 16993, 22288, 33986, 67972, 118951, 135944, 237902, 271888, 475804, 951608, 1903216, 3381607, 6763214, 13526428, 23671249, 27052856, 47342498, 54105712, 94684996, 189369992, 378739984]

約数ペア:

[(1, 378739984), (2, 189369992), (4, 94684996), (7, 54105712), (8, 47342498), (14, 27052856), (16, 23671249), (28, 13526428), (56, 6763214), (112, 3381607), (199, 1903216), (398, 951608), (796, 475804), (1393, 271888), (1592, 237902), (2786, 135944), (3184, 118951), (5572, 67972), (11144, 33986), (16993, 22288)]