289315568

素因数分解:

$2^4\times {\mathrm{653}}^1\times {\mathrm{27691}}^1$

素因数の和:28352

約数の個数: 20

約数和(自身を含む): 561427608

約数和(自身を除く): 272112040

約数列:

[1, 2, 4, 8, 16, 653, 1306, 2612, 5224, 10448, 27691, 55382, 110764, 221528, 443056, 18082223, 36164446, 72328892, 144657784, 289315568]

約数ペア:

[(1, 289315568), (2, 144657784), (4, 72328892), (8, 36164446), (16, 18082223), (653, 443056), (1306, 221528), (2612, 110764), (5224, 55382), (10448, 27691)]