81763612

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{8089}}^1$

素因数の和:8138

約数の個数: 36

約数和(自身を含む): 172608240

約数和(自身を除く): 90844628

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 5054, 8089, 10108, 16178, 32356, 56623, 113246, 153691, 226492, 307382, 614764, 1075837, 2151674, 2920129, 4303348, 5840258, 11680516, 20440903, 40881806, 81763612]

約数ペア:

[(1, 81763612), (2, 40881806), (4, 20440903), (7, 11680516), (14, 5840258), (19, 4303348), (28, 2920129), (38, 2151674), (76, 1075837), (133, 614764), (266, 307382), (361, 226492), (532, 153691), (722, 113246), (1444, 56623), (2527, 32356), (5054, 16178), (8089, 10108)]