28772324

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 59947776

約数和(自身を除く): 31175452

約数列:

[1, 2, 4, 7, 14, 28, 41, 71, 82, 142, 164, 284, 287, 353, 497, 574, 706, 994, 1148, 1412, 1988, 2471, 2911, 4942, 5822, 9884, 11644, 14473, 20377, 25063, 28946, 40754, 50126, 57892, 81508, 100252, 101311, 175441, 202622, 350882, 405244, 701764, 1027583, 2055166, 4110332, 7193081, 14386162, 28772324]

約数ペア:

[(1, 28772324), (2, 14386162), (4, 7193081), (7, 4110332), (14, 2055166), (28, 1027583), (41, 701764), (71, 405244), (82, 350882), (142, 202622), (164, 175441), (284, 101311), (287, 100252), (353, 81508), (497, 57892), (574, 50126), (706, 40754), (994, 28946), (1148, 25063), (1412, 20377), (1988, 14473), (2471, 11644), (2911, 9884), (4942, 5822)]