13278005

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{5521}}^1$

素因数の和:5576

約数の個数: 16

約数和(自身を含む): 17626224

約数和(自身を除く): 4348219

約数列:

[1, 5, 13, 37, 65, 185, 481, 2405, 5521, 27605, 71773, 204277, 358865, 1021385, 2655601, 13278005]

約数ペア:

[(1, 13278005), (5, 2655601), (13, 1021385), (37, 358865), (65, 204277), (185, 71773), (481, 27605), (2405, 5521)]