663567072340

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{18819259}}^1$

素因数の和:18819352

約数の個数: 48

約数和(自身を含む): 1460675684160

約数和(自身を除く): 797108611820

約数列:

[1, 2, 4, 5, 10, 20, 41, 43, 82, 86, 164, 172, 205, 215, 410, 430, 820, 860, 1763, 3526, 7052, 8815, 17630, 35260, 18819259, 37638518, 75277036, 94096295, 188192590, 376385180, 771589619, 809228137, 1543179238, 1618456274, 3086358476, 3236912548, 3857948095, 4046140685, 7715896190, 8092281370, 15431792380, 16184562740, 33178353617, 66356707234, 132713414468, 165891768085, 331783536170, 663567072340]

約数ペア:

[(1, 663567072340), (2, 331783536170), (4, 165891768085), (5, 132713414468), (10, 66356707234), (20, 33178353617), (41, 16184562740), (43, 15431792380), (82, 8092281370), (86, 7715896190), (164, 4046140685), (172, 3857948095), (205, 3236912548), (215, 3086358476), (410, 1618456274), (430, 1543179238), (820, 809228137), (860, 771589619), (1763, 376385180), (3526, 188192590), (7052, 94096295), (8815, 75277036), (17630, 37638518), (35260, 18819259)]