278696446

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{521}}^1\times {\mathrm{2011}}^1$

素因数の和:2560

約数の個数: 32

約数和(自身を含む): 504126720

約数和(自身を除く): 225430274

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 521, 1042, 2011, 3647, 4022, 7294, 9899, 14077, 19798, 28154, 38209, 69293, 76418, 138586, 267463, 534926, 1047731, 2095462, 7334117, 14668234, 19906889, 39813778, 139348223, 278696446]

約数ペア:

[(1, 278696446), (2, 139348223), (7, 39813778), (14, 19906889), (19, 14668234), (38, 7334117), (133, 2095462), (266, 1047731), (521, 534926), (1042, 267463), (2011, 138586), (3647, 76418), (4022, 69293), (7294, 38209), (9899, 28154), (14077, 19798)]