28539336

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{661}}^1$

素因数の和:934

約数の個数: 64

約数和(自身を含む): 81982080

約数和(自身を除く): 53442744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 257, 514, 661, 771, 1028, 1322, 1542, 1799, 1983, 2056, 2644, 3084, 3598, 3966, 4627, 5288, 5397, 6168, 7196, 7932, 9254, 10794, 13881, 14392, 15864, 18508, 21588, 27762, 37016, 43176, 55524, 111048, 169877, 339754, 509631, 679508, 1019262, 1189139, 1359016, 2038524, 2378278, 3567417, 4077048, 4756556, 7134834, 9513112, 14269668, 28539336]

約数ペア:

[(1, 28539336), (2, 14269668), (3, 9513112), (4, 7134834), (6, 4756556), (7, 4077048), (8, 3567417), (12, 2378278), (14, 2038524), (21, 1359016), (24, 1189139), (28, 1019262), (42, 679508), (56, 509631), (84, 339754), (168, 169877), (257, 111048), (514, 55524), (661, 43176), (771, 37016), (1028, 27762), (1322, 21588), (1542, 18508), (1799, 15864), (1983, 14392), (2056, 13881), (2644, 10794), (3084, 9254), (3598, 7932), (3966, 7196), (4627, 6168), (5288, 5397)]