680022

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{257}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 1764720

約数和(自身を除く): 1084698

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 257, 294, 378, 441, 514, 771, 882, 1323, 1542, 1799, 2313, 2646, 3598, 4626, 5397, 6939, 10794, 12593, 13878, 16191, 25186, 32382, 37779, 48573, 75558, 97146, 113337, 226674, 340011, 680022]

約数ペア:

[(1, 680022), (2, 340011), (3, 226674), (6, 113337), (7, 97146), (9, 75558), (14, 48573), (18, 37779), (21, 32382), (27, 25186), (42, 16191), (49, 13878), (54, 12593), (63, 10794), (98, 6939), (126, 5397), (147, 4626), (189, 3598), (257, 2646), (294, 2313), (378, 1799), (441, 1542), (514, 1323), (771, 882)]