205126856

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{359}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 433382400

約数和(自身を除く): 228255544

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 151, 172, 302, 344, 359, 473, 604, 718, 946, 1208, 1436, 1661, 1892, 2872, 3322, 3784, 3949, 6493, 6644, 7898, 12986, 13288, 15437, 15796, 25972, 30874, 31592, 51944, 54209, 61748, 71423, 108418, 123496, 142846, 169807, 216836, 285692, 339614, 433672, 571384, 596299, 679228, 1192598, 1358456, 2330987, 2385196, 4661974, 4770392, 9323948, 18647896, 25640857, 51281714, 102563428, 205126856]

約数ペア:

[(1, 205126856), (2, 102563428), (4, 51281714), (8, 25640857), (11, 18647896), (22, 9323948), (43, 4770392), (44, 4661974), (86, 2385196), (88, 2330987), (151, 1358456), (172, 1192598), (302, 679228), (344, 596299), (359, 571384), (473, 433672), (604, 339614), (718, 285692), (946, 216836), (1208, 169807), (1436, 142846), (1661, 123496), (1892, 108418), (2872, 71423), (3322, 61748), (3784, 54209), (3949, 51944), (6493, 31592), (6644, 30874), (7898, 25972), (12986, 15796), (13288, 15437)]