3243340

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 6848352

約数和(自身を除く): 3605012

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 631, 1028, 1262, 1285, 2524, 2570, 3155, 5140, 6310, 12620, 162167, 324334, 648668, 810835, 1621670, 3243340]

約数ペア:

[(1, 3243340), (2, 1621670), (4, 810835), (5, 648668), (10, 324334), (20, 162167), (257, 12620), (514, 6310), (631, 5140), (1028, 3155), (1262, 2570), (1285, 2524)]