138233557

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8273}}^1$

素因数の和:8329

約数の個数: 24

約数和(自身を含む): 181101312

約数和(自身を除く): 42867755

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 1519, 2387, 8273, 16709, 57911, 91003, 256463, 405377, 637021, 1795241, 2821093, 4459147, 12566687, 19747651, 138233557]

約数ペア:

[(1, 138233557), (7, 19747651), (11, 12566687), (31, 4459147), (49, 2821093), (77, 1795241), (217, 637021), (341, 405377), (539, 256463), (1519, 91003), (2387, 57911), (8273, 16709)]