249968446

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{72287}}^1$

素因数の和:72328

約数の個数: 32

約数和(自身を含む): 485775360

約数和(自身を除く): 235806914

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 72287, 144574, 506009, 939731, 1012018, 1373453, 1879462, 2746906, 6578117, 9614171, 13156234, 17854889, 19228342, 35709778, 124984223, 249968446]

約数ペア:

[(1, 249968446), (2, 124984223), (7, 35709778), (13, 19228342), (14, 17854889), (19, 13156234), (26, 9614171), (38, 6578117), (91, 2746906), (133, 1879462), (182, 1373453), (247, 1012018), (266, 939731), (494, 506009), (1729, 144574), (3458, 72287)]