28767258

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{953}}^1$

素因数の和:1020

約数の個数: 64

約数和(自身を含む): 70519680

約数和(自身を除く): 41752422

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 43, 54, 78, 86, 117, 129, 234, 258, 351, 387, 559, 702, 774, 953, 1118, 1161, 1677, 1906, 2322, 2859, 3354, 5031, 5718, 8577, 10062, 12389, 15093, 17154, 24778, 25731, 30186, 37167, 40979, 51462, 74334, 81958, 111501, 122937, 223002, 245874, 334503, 368811, 532727, 669006, 737622, 1065454, 1106433, 1598181, 2212866, 3196362, 4794543, 9589086, 14383629, 28767258]

約数ペア:

[(1, 28767258), (2, 14383629), (3, 9589086), (6, 4794543), (9, 3196362), (13, 2212866), (18, 1598181), (26, 1106433), (27, 1065454), (39, 737622), (43, 669006), (54, 532727), (78, 368811), (86, 334503), (117, 245874), (129, 223002), (234, 122937), (258, 111501), (351, 81958), (387, 74334), (559, 51462), (702, 40979), (774, 37167), (953, 30186), (1118, 25731), (1161, 24778), (1677, 17154), (1906, 15093), (2322, 12389), (2859, 10062), (3354, 8577), (5031, 5718)]