28749695

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1103}}^1$

素因数の和:1522

約数の個数: 16

約数和(自身を含む): 37279872

約数和(自身を除く): 8530177

約数列:

[1, 5, 13, 65, 401, 1103, 2005, 5213, 5515, 14339, 26065, 71695, 442303, 2211515, 5749939, 28749695]

約数ペア:

[(1, 28749695), (5, 5749939), (13, 2211515), (65, 442303), (401, 71695), (1103, 26065), (2005, 14339), (5213, 5515)]