128569128

素因数分解:

$2^3\times 3^1\times {\mathrm{263}}^1\times {\mathrm{20369}}^1$

素因数の和:20641

約数の個数: 32

約数和(自身を含む): 322660800

約数和(自身を除く): 194091672

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 263, 526, 789, 1052, 1578, 2104, 3156, 6312, 20369, 40738, 61107, 81476, 122214, 162952, 244428, 488856, 5357047, 10714094, 16071141, 21428188, 32142282, 42856376, 64284564, 128569128]

約数ペア:

[(1, 128569128), (2, 64284564), (3, 42856376), (4, 32142282), (6, 21428188), (8, 16071141), (12, 10714094), (24, 5357047), (263, 488856), (526, 244428), (789, 162952), (1052, 122214), (1578, 81476), (2104, 61107), (3156, 40738), (6312, 20369)]