389927.0000000

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{1601}}^1$

素因数の和:1643

約数の個数: 18

約数和(自身を含む): 4272534

約数和(自身を除く): 1960690

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 1601, 3202, 6404, 30419, 60838, 121676, 577961, 1155922, 2311844]

約数ペア:

[(1, 2311844), (2, 1155922), (4, 577961), (19, 121676), (38, 60838), (76, 30419), (361, 6404), (722, 3202), (1444, 1601)]