208093821

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 333849600

約数和(自身を除く): 125755779

約数列:

[1, 3, 13, 17, 29, 39, 51, 79, 87, 137, 221, 237, 377, 411, 493, 663, 1027, 1131, 1343, 1479, 1781, 2291, 2329, 3081, 3973, 4029, 5343, 6409, 6873, 6987, 10823, 11919, 17459, 19227, 29783, 30277, 32469, 38947, 51649, 52377, 67541, 89349, 90831, 116841, 140699, 154947, 183991, 202623, 313867, 422097, 506311, 551973, 878033, 941601, 1518933, 2391883, 2634099, 4080271, 5335739, 7175649, 12240813, 16007217, 69364607, 208093821]

約数ペア:

[(1, 208093821), (3, 69364607), (13, 16007217), (17, 12240813), (29, 7175649), (39, 5335739), (51, 4080271), (79, 2634099), (87, 2391883), (137, 1518933), (221, 941601), (237, 878033), (377, 551973), (411, 506311), (493, 422097), (663, 313867), (1027, 202623), (1131, 183991), (1343, 154947), (1479, 140699), (1781, 116841), (2291, 90831), (2329, 89349), (3081, 67541), (3973, 52377), (4029, 51649), (5343, 38947), (6409, 32469), (6873, 30277), (6987, 29783), (10823, 19227), (11919, 17459)]