989492803

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{1217}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 1139434128

約数和(自身を除く): 149941325

約数列:

[1, 13, 17, 169, 221, 283, 1217, 2873, 3679, 4811, 15821, 20689, 47827, 62543, 205673, 268957, 344411, 813059, 3496441, 4477343, 5854987, 58205459, 76114831, 989492803]

約数ペア:

[(1, 989492803), (13, 76114831), (17, 58205459), (169, 5854987), (221, 4477343), (283, 3496441), (1217, 813059), (2873, 344411), (3679, 268957), (4811, 205673), (15821, 62543), (20689, 47827)]