280644

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1$

素因数の和:284

約数の個数: 48

約数和(自身を含む): 809088

約数和(自身を除く): 528444

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 257, 273, 364, 514, 546, 771, 1028, 1092, 1542, 1799, 3084, 3341, 3598, 5397, 6682, 7196, 10023, 10794, 13364, 20046, 21588, 23387, 40092, 46774, 70161, 93548, 140322, 280644]

約数ペア:

[(1, 280644), (2, 140322), (3, 93548), (4, 70161), (6, 46774), (7, 40092), (12, 23387), (13, 21588), (14, 20046), (21, 13364), (26, 10794), (28, 10023), (39, 7196), (42, 6682), (52, 5397), (78, 3598), (84, 3341), (91, 3084), (156, 1799), (182, 1542), (257, 1092), (273, 1028), (364, 771), (514, 546)]