128536976

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{9833}}^1$

素因数の和:9903

約数の個数: 40

約数和(自身を含む): 268271520

約数和(自身を除く): 139734544

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 3268, 6536, 9833, 13072, 19666, 39332, 78664, 157328, 186827, 373654, 422819, 747308, 845638, 1494616, 1691276, 2989232, 3382552, 6765104, 8033561, 16067122, 32134244, 64268488, 128536976]

約数ペア:

[(1, 128536976), (2, 64268488), (4, 32134244), (8, 16067122), (16, 8033561), (19, 6765104), (38, 3382552), (43, 2989232), (76, 1691276), (86, 1494616), (152, 845638), (172, 747308), (304, 422819), (344, 373654), (688, 186827), (817, 157328), (1634, 78664), (3268, 39332), (6536, 19666), (9833, 13072)]