644184961

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1\times {\mathrm{773}}^1$

素因数の和:993

約数の個数: 32

約数和(自身を含む): 802483200

約数和(自身を除く): 158298239

約数列:

[1, 7, 17, 47, 119, 149, 329, 773, 799, 1043, 2533, 5411, 5593, 7003, 13141, 17731, 36331, 49021, 91987, 115177, 119051, 254317, 617627, 806239, 833357, 1958009, 4323389, 5413319, 13706063, 37893233, 92026423, 644184961]

約数ペア:

[(1, 644184961), (7, 92026423), (17, 37893233), (47, 13706063), (119, 5413319), (149, 4323389), (329, 1958009), (773, 833357), (799, 806239), (1043, 617627), (2533, 254317), (5411, 119051), (5593, 115177), (7003, 91987), (13141, 49021), (17731, 36331)]