25001648

素因数分解:

$2^4\times 7^1\times {\mathrm{223229}}^1$

素因数の和:223244

約数の個数: 20

約数和(自身を含む): 55361040

約数和(自身を除く): 30359392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 223229, 446458, 892916, 1562603, 1785832, 3125206, 3571664, 6250412, 12500824, 25001648]

約数ペア:

[(1, 25001648), (2, 12500824), (4, 6250412), (7, 3571664), (8, 3125206), (14, 1785832), (16, 1562603), (28, 892916), (56, 446458), (112, 223229)]