189156656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{21149}}^1$

素因数の和:21213

約数の個数: 40

約数和(自身を含む): 403880400

約数和(自身を除く): 214723744

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 4472, 8944, 21149, 42298, 84596, 169192, 274937, 338384, 549874, 909407, 1099748, 1818814, 2199496, 3637628, 4398992, 7275256, 11822291, 14550512, 23644582, 47289164, 94578328, 189156656]

約数ペア:

[(1, 189156656), (2, 94578328), (4, 47289164), (8, 23644582), (13, 14550512), (16, 11822291), (26, 7275256), (43, 4398992), (52, 3637628), (86, 2199496), (104, 1818814), (172, 1099748), (208, 909407), (344, 549874), (559, 338384), (688, 274937), (1118, 169192), (2236, 84596), (4472, 42298), (8944, 21149)]