128498778

素因数分解:

$2^1\times 3^3\times {\mathrm{181}}^1\times {\mathrm{13147}}^1$

素因数の和:13339

約数の個数: 32

約数和(自身を含む): 287152320

約数和(自身を除く): 158653542

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 181, 362, 543, 1086, 1629, 3258, 4887, 9774, 13147, 26294, 39441, 78882, 118323, 236646, 354969, 709938, 2379607, 4759214, 7138821, 14277642, 21416463, 42832926, 64249389, 128498778]

約数ペア:

[(1, 128498778), (2, 64249389), (3, 42832926), (6, 21416463), (9, 14277642), (18, 7138821), (27, 4759214), (54, 2379607), (181, 709938), (362, 354969), (543, 236646), (1086, 118323), (1629, 78882), (3258, 39441), (4887, 26294), (9774, 13147)]