25720942

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{2467}}^1$

素因数の和:2883

約数の個数: 16

約数和(自身を含む): 41669712

約数和(自身を除く): 15948770

約数列:

[1, 2, 13, 26, 401, 802, 2467, 4934, 5213, 10426, 32071, 64142, 989267, 1978534, 12860471, 25720942]

約数ペア:

[(1, 25720942), (2, 12860471), (13, 1978534), (26, 989267), (401, 64142), (802, 32071), (2467, 10426), (4934, 5213)]