1220561923

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 1516838400

約数和(自身を除く): 296276477

約数列:

[1, 7, 41, 43, 49, 71, 199, 287, 301, 497, 1393, 1763, 2009, 2107, 2911, 3053, 3479, 8159, 8557, 9751, 12341, 14129, 20377, 21371, 57113, 59899, 86387, 98903, 125173, 142639, 149597, 350837, 399791, 419293, 579289, 607547, 692321, 876211, 2455859, 4055023, 4252829, 6133477, 17191013, 24909427, 28385161, 29769803, 174365989, 1220561923]

約数ペア:

[(1, 1220561923), (7, 174365989), (41, 29769803), (43, 28385161), (49, 24909427), (71, 17191013), (199, 6133477), (287, 4252829), (301, 4055023), (497, 2455859), (1393, 876211), (1763, 692321), (2009, 607547), (2107, 579289), (2911, 419293), (3053, 399791), (3479, 350837), (8159, 149597), (8557, 142639), (9751, 125173), (12341, 98903), (14129, 86387), (20377, 59899), (21371, 57113)]