91389905

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{2399}}^1$

素因数の和:2824

約数の個数: 16

約数和(自身を含む): 115776000

約数和(自身を除く): 24386095

約数列:

[1, 5, 19, 95, 401, 2005, 2399, 7619, 11995, 38095, 45581, 227905, 961999, 4809995, 18277981, 91389905]

約数ペア:

[(1, 91389905), (5, 18277981), (19, 4809995), (95, 961999), (401, 227905), (2005, 45581), (2399, 38095), (7619, 11995)]