205998548

素因数分解:

$2^2\times 7^2\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{131}}^1$

素因数の和:333

約数の個数: 72

約数和(自身を含む): 432298944

約数和(自身を除く): 226300396

約数列:

[1, 2, 4, 7, 14, 28, 49, 71, 98, 113, 131, 142, 196, 226, 262, 284, 452, 497, 524, 791, 917, 994, 1582, 1834, 1988, 3164, 3479, 3668, 5537, 6419, 6958, 8023, 9301, 11074, 12838, 13916, 14803, 16046, 18602, 22148, 25676, 29606, 32092, 37204, 56161, 59212, 65107, 103621, 112322, 130214, 207242, 224644, 260428, 393127, 414484, 455749, 725347, 786254, 911498, 1051013, 1450694, 1572508, 1822996, 2102026, 2901388, 4204052, 7357091, 14714182, 29428364, 51499637, 102999274, 205998548]

約数ペア:

[(1, 205998548), (2, 102999274), (4, 51499637), (7, 29428364), (14, 14714182), (28, 7357091), (49, 4204052), (71, 2901388), (98, 2102026), (113, 1822996), (131, 1572508), (142, 1450694), (196, 1051013), (226, 911498), (262, 786254), (284, 725347), (452, 455749), (497, 414484), (524, 393127), (791, 260428), (917, 224644), (994, 207242), (1582, 130214), (1834, 112322), (1988, 103621), (3164, 65107), (3479, 59212), (3668, 56161), (5537, 37204), (6419, 32092), (6958, 29606), (8023, 25676), (9301, 22148), (11074, 18602), (12838, 16046), (13916, 14803)]