2008664644

素因数分解:

$2^2\times 7^2\times {\mathrm{109}}^1\times {\mathrm{167}}^1\times {\mathrm{563}}^1$

素因数の和:857

約数の個数: 72

約数和(自身を含む): 4158665280

約数和(自身を除く): 2150000636

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 109, 167, 196, 218, 334, 436, 563, 668, 763, 1126, 1169, 1526, 2252, 2338, 3052, 3941, 4676, 5341, 7882, 8183, 10682, 15764, 16366, 18203, 21364, 27587, 32732, 36406, 55174, 61367, 72812, 94021, 110348, 122734, 127421, 188042, 245468, 254842, 376084, 429569, 509684, 658147, 859138, 891947, 1316294, 1718276, 1783894, 2632588, 3006983, 3567788, 4607029, 6013966, 9214058, 10248289, 12027932, 18428116, 20496578, 40993156, 71738023, 143476046, 286952092, 502166161, 1004332322, 2008664644]

約数ペア:

[(1, 2008664644), (2, 1004332322), (4, 502166161), (7, 286952092), (14, 143476046), (28, 71738023), (49, 40993156), (98, 20496578), (109, 18428116), (167, 12027932), (196, 10248289), (218, 9214058), (334, 6013966), (436, 4607029), (563, 3567788), (668, 3006983), (763, 2632588), (1126, 1783894), (1169, 1718276), (1526, 1316294), (2252, 891947), (2338, 859138), (3052, 658147), (3941, 509684), (4676, 429569), (5341, 376084), (7882, 254842), (8183, 245468), (10682, 188042), (15764, 127421), (16366, 122734), (18203, 110348), (21364, 94021), (27587, 72812), (32732, 61367), (36406, 55174)]