1321906

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{809}}^1$

素因数の和:873

約数の個数: 16

約数和(自身を含む): 2138400

約数和(自身を除く): 816494

約数列:

[1, 2, 19, 38, 43, 86, 809, 817, 1618, 1634, 15371, 30742, 34787, 69574, 660953, 1321906]

約数ペア:

[(1, 1321906), (2, 660953), (19, 69574), (38, 34787), (43, 30742), (86, 15371), (809, 1634), (817, 1618)]