28943005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{63611}}^1$

素因数の和:63636

約数の個数: 16

約数和(自身を含む): 42747264

約数和(自身を除く): 13804259

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 63611, 318055, 445277, 826943, 2226385, 4134715, 5788601, 28943005]

約数ペア:

[(1, 28943005), (5, 5788601), (7, 4134715), (13, 2226385), (35, 826943), (65, 445277), (91, 318055), (455, 63611)]