28528836

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1523}}^1$

素因数の和:1760

約数の個数: 48

約数和(自身を含む): 76468224

約数和(自身を除く): 47939388

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 223, 446, 669, 892, 1338, 1523, 1561, 2676, 3046, 3122, 4569, 4683, 6092, 6244, 9138, 9366, 10661, 18276, 18732, 21322, 31983, 42644, 63966, 127932, 339629, 679258, 1018887, 1358516, 2037774, 2377403, 4075548, 4754806, 7132209, 9509612, 14264418, 28528836]

約数ペア:

[(1, 28528836), (2, 14264418), (3, 9509612), (4, 7132209), (6, 4754806), (7, 4075548), (12, 2377403), (14, 2037774), (21, 1358516), (28, 1018887), (42, 679258), (84, 339629), (223, 127932), (446, 63966), (669, 42644), (892, 31983), (1338, 21322), (1523, 18732), (1561, 18276), (2676, 10661), (3046, 9366), (3122, 9138), (4569, 6244), (4683, 6092)]