3968657

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 5198400

約数和(自身を除く): 1229743

約数列:

[1, 7, 11, 37, 49, 77, 199, 259, 407, 539, 1393, 1813, 2189, 2849, 7363, 9751, 15323, 19943, 51541, 80993, 107261, 360787, 566951, 3968657]

約数ペア:

[(1, 3968657), (7, 566951), (11, 360787), (37, 107261), (49, 80993), (77, 51541), (199, 19943), (259, 15323), (407, 9751), (539, 7363), (1393, 2849), (1813, 2189)]