28828436

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2731}}^1$

素因数の和:2784

約数の個数: 48

約数和(自身を含む): 64256640

約数和(自身を除く): 35428204

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 29, 52, 58, 91, 116, 182, 203, 364, 377, 406, 754, 812, 1508, 2639, 2731, 5278, 5462, 10556, 10924, 19117, 35503, 38234, 71006, 76468, 79199, 142012, 158398, 248521, 316796, 497042, 554393, 994084, 1029587, 1108786, 2059174, 2217572, 4118348, 7207109, 14414218, 28828436]

約数ペア:

[(1, 28828436), (2, 14414218), (4, 7207109), (7, 4118348), (13, 2217572), (14, 2059174), (26, 1108786), (28, 1029587), (29, 994084), (52, 554393), (58, 497042), (91, 316796), (116, 248521), (182, 158398), (203, 142012), (364, 79199), (377, 76468), (406, 71006), (754, 38234), (812, 35503), (1508, 19117), (2639, 10924), (2731, 10556), (5278, 5462)]