208203856

素因数分解:

$2^4\times 7^1\times {\mathrm{113}}^1\times {\mathrm{16451}}^1$

素因数の和:16579

約数の個数: 40

約数和(自身を含む): 465130944

約数和(自身を除く): 256927088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 113, 226, 452, 791, 904, 1582, 1808, 3164, 6328, 12656, 16451, 32902, 65804, 115157, 131608, 230314, 263216, 460628, 921256, 1842512, 1858963, 3717926, 7435852, 13012741, 14871704, 26025482, 29743408, 52050964, 104101928, 208203856]

約数ペア:

[(1, 208203856), (2, 104101928), (4, 52050964), (7, 29743408), (8, 26025482), (14, 14871704), (16, 13012741), (28, 7435852), (56, 3717926), (112, 1858963), (113, 1842512), (226, 921256), (452, 460628), (791, 263216), (904, 230314), (1582, 131608), (1808, 115157), (3164, 65804), (6328, 32902), (12656, 16451)]