257400492

素因数分解:

$2^2\times 3^1\times {\mathrm{1103}}^1\times {\mathrm{19447}}^1$

素因数の和:20557

約数の個数: 24

約数和(自身を含む): 601176576

約数和(自身を除く): 343776084

約数列:

[1, 2, 3, 4, 6, 12, 1103, 2206, 3309, 4412, 6618, 13236, 19447, 38894, 58341, 77788, 116682, 233364, 21450041, 42900082, 64350123, 85800164, 128700246, 257400492]

約数ペア:

[(1, 257400492), (2, 128700246), (3, 85800164), (4, 64350123), (6, 42900082), (12, 21450041), (1103, 233364), (2206, 116682), (3309, 77788), (4412, 58341), (6618, 38894), (13236, 19447)]