128318526

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{339467}}^1$

素因数の和:339485

約数の個数: 32

約数和(自身を含む): 325889280

約数和(自身を除く): 197570754

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 339467, 678934, 1018401, 2036802, 2376269, 3055203, 4752538, 6110406, 7128807, 9165609, 14257614, 18331218, 21386421, 42772842, 64159263, 128318526]

約数ペア:

[(1, 128318526), (2, 64159263), (3, 42772842), (6, 21386421), (7, 18331218), (9, 14257614), (14, 9165609), (18, 7128807), (21, 6110406), (27, 4752538), (42, 3055203), (54, 2376269), (63, 2036802), (126, 1018401), (189, 678934), (378, 339467)]