218630217

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:282

約数の個数: 64

約数和(自身を含む): 350542080

約数和(自身を除く): 131911863

約数列:

[1, 3, 13, 17, 29, 39, 51, 83, 87, 137, 221, 249, 377, 411, 493, 663, 1079, 1131, 1411, 1479, 1781, 2329, 2407, 3237, 3973, 4233, 5343, 6409, 6987, 7221, 11371, 11919, 18343, 19227, 30277, 31291, 34113, 40919, 51649, 55029, 67541, 90831, 93873, 122757, 147823, 154947, 193307, 202623, 329759, 443469, 531947, 579921, 878033, 989277, 1595841, 2512991, 2634099, 4286867, 5605903, 7538973, 12860601, 16817709, 72876739, 218630217]

約数ペア:

[(1, 218630217), (3, 72876739), (13, 16817709), (17, 12860601), (29, 7538973), (39, 5605903), (51, 4286867), (83, 2634099), (87, 2512991), (137, 1595841), (221, 989277), (249, 878033), (377, 579921), (411, 531947), (493, 443469), (663, 329759), (1079, 202623), (1131, 193307), (1411, 154947), (1479, 147823), (1781, 122757), (2329, 93873), (2407, 90831), (3237, 67541), (3973, 55029), (4233, 51649), (5343, 40919), (6409, 34113), (6987, 31291), (7221, 30277), (11371, 19227), (11919, 18343)]