208820906

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{16703}}^1$

素因数の和:16778

約数の個数: 32

約数和(自身を含む): 384860160

約数和(自身を除く): 176039254

約数列:

[1, 2, 7, 14, 19, 38, 47, 94, 133, 266, 329, 658, 893, 1786, 6251, 12502, 16703, 33406, 116921, 233842, 317357, 634714, 785041, 1570082, 2221499, 4442998, 5495287, 10990574, 14915779, 29831558, 104410453, 208820906]

約数ペア:

[(1, 208820906), (2, 104410453), (7, 29831558), (14, 14915779), (19, 10990574), (38, 5495287), (47, 4442998), (94, 2221499), (133, 1570082), (266, 785041), (329, 634714), (658, 317357), (893, 233842), (1786, 116921), (6251, 33406), (12502, 16703)]