1620976

素因数分解:

$2^4\times 7^1\times {\mathrm{41}}^1\times {\mathrm{353}}^1$

素因数の和:409

約数の個数: 40

約数和(自身を含む): 3687264

約数和(自身を除く): 2066288

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 41, 56, 82, 112, 164, 287, 328, 353, 574, 656, 706, 1148, 1412, 2296, 2471, 2824, 4592, 4942, 5648, 9884, 14473, 19768, 28946, 39536, 57892, 101311, 115784, 202622, 231568, 405244, 810488, 1620976]

約数ペア:

[(1, 1620976), (2, 810488), (4, 405244), (7, 231568), (8, 202622), (14, 115784), (16, 101311), (28, 57892), (41, 39536), (56, 28946), (82, 19768), (112, 14473), (164, 9884), (287, 5648), (328, 4942), (353, 4592), (574, 2824), (656, 2471), (706, 2296), (1148, 1412)]