128405142

素因数分解:

$2^1\times 3^3\times {\mathrm{139}}^1\times {\mathrm{17107}}^1$

素因数の和:17257

約数の個数: 32

約数和(自身を含む): 287414400

約数和(自身を除く): 159009258

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 139, 278, 417, 834, 1251, 2502, 3753, 7506, 17107, 34214, 51321, 102642, 153963, 307926, 461889, 923778, 2377873, 4755746, 7133619, 14267238, 21400857, 42801714, 64202571, 128405142]

約数ペア:

[(1, 128405142), (2, 64202571), (3, 42801714), (6, 21400857), (9, 14267238), (18, 7133619), (27, 4755746), (54, 2377873), (139, 923778), (278, 461889), (417, 307926), (834, 153963), (1251, 102642), (2502, 51321), (3753, 34214), (7506, 17107)]