25851215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{2903}}^1$

素因数の和:3058

約数の個数: 16

約数和(自身を含む): 33663168

約数和(自身を除く): 7811953

約数列:

[1, 5, 13, 65, 137, 685, 1781, 2903, 8905, 14515, 37739, 188695, 397711, 1988555, 5170243, 25851215]

約数ペア:

[(1, 25851215), (5, 5170243), (13, 1988555), (65, 397711), (137, 188695), (685, 37739), (1781, 14515), (2903, 8905)]