781430143

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 946300320

約数和(自身を除く): 164870177

約数列:

[1, 13, 17, 29, 83, 113, 169, 221, 377, 493, 1079, 1411, 1469, 1921, 2407, 2873, 3277, 4901, 6409, 9379, 14027, 18343, 19097, 24973, 31291, 40919, 42601, 55709, 83317, 121927, 159443, 238459, 271991, 324649, 406783, 531947, 553813, 724217, 1585051, 2072759, 3535883, 4623847, 6915311, 9414821, 26945867, 45966479, 60110011, 781430143]

約数ペア:

[(1, 781430143), (13, 60110011), (17, 45966479), (29, 26945867), (83, 9414821), (113, 6915311), (169, 4623847), (221, 3535883), (377, 2072759), (493, 1585051), (1079, 724217), (1411, 553813), (1469, 531947), (1921, 406783), (2407, 324649), (2873, 271991), (3277, 238459), (4901, 159443), (6409, 121927), (9379, 83317), (14027, 55709), (18343, 42601), (19097, 40919), (24973, 31291)]