1638085

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 2122560

約数和(自身を除く): 484475

約数列:

[1, 5, 19, 43, 95, 215, 401, 817, 2005, 4085, 7619, 17243, 38095, 86215, 327617, 1638085]

約数ペア:

[(1, 1638085), (5, 327617), (19, 86215), (43, 38095), (95, 17243), (215, 7619), (401, 4085), (817, 2005)]