390115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:230

約数の個数: 16

約数和(自身を含む): 526176

約数和(自身を除く): 136061

約数列:

[1, 5, 11, 41, 55, 173, 205, 451, 865, 1903, 2255, 7093, 9515, 35465, 78023, 390115]

約数ペア:

[(1, 390115), (5, 78023), (11, 35465), (41, 9515), (55, 7093), (173, 2255), (205, 1903), (451, 865)]