28517748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1321}}^1$

素因数の和:1592

約数の個数: 48

約数和(自身を含む): 76401024

約数和(自身を除く): 47883276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 257, 514, 771, 1028, 1321, 1542, 1799, 2642, 3084, 3598, 3963, 5284, 5397, 7196, 7926, 9247, 10794, 15852, 18494, 21588, 27741, 36988, 55482, 110964, 339497, 678994, 1018491, 1357988, 2036982, 2376479, 4073964, 4752958, 7129437, 9505916, 14258874, 28517748]

約数ペア:

[(1, 28517748), (2, 14258874), (3, 9505916), (4, 7129437), (6, 4752958), (7, 4073964), (12, 2376479), (14, 2036982), (21, 1357988), (28, 1018491), (42, 678994), (84, 339497), (257, 110964), (514, 55482), (771, 36988), (1028, 27741), (1321, 21588), (1542, 18494), (1799, 15852), (2642, 10794), (3084, 9247), (3598, 7926), (3963, 7196), (5284, 5397)]