28457765

素因数分解:

$5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{13781}}^1$

素因数の和:13852

約数の個数: 16

約数和(自身を含む): 39692160

約数和(自身を除く): 11234395

約数列:

[1, 5, 7, 35, 59, 295, 413, 2065, 13781, 68905, 96467, 482335, 813079, 4065395, 5691553, 28457765]

約数ペア:

[(1, 28457765), (5, 5691553), (7, 4065395), (35, 813079), (59, 482335), (295, 96467), (413, 68905), (2065, 13781)]