1678456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{16139}}^1$

素因数の和:16158

約数の個数: 16

約数和(自身を含む): 3389400

約数和(自身を除く): 1710944

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 16139, 32278, 64556, 129112, 209807, 419614, 839228, 1678456]

約数ペア:

[(1, 1678456), (2, 839228), (4, 419614), (8, 209807), (13, 129112), (26, 64556), (52, 32278), (104, 16139)]