28276976

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19421}}^1$

素因数の和:19449

約数の個数: 40

約数和(自身を含む): 67433184

約数和(自身を除く): 39156208

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 19421, 38842, 77684, 135947, 155368, 252473, 271894, 310736, 504946, 543788, 1009892, 1087576, 1767311, 2019784, 2175152, 3534622, 4039568, 7069244, 14138488, 28276976]

約数ペア:

[(1, 28276976), (2, 14138488), (4, 7069244), (7, 4039568), (8, 3534622), (13, 2175152), (14, 2019784), (16, 1767311), (26, 1087576), (28, 1009892), (52, 543788), (56, 504946), (91, 310736), (104, 271894), (112, 252473), (182, 155368), (208, 135947), (364, 77684), (728, 38842), (1456, 19421)]