164515295

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{21661}}^1$

素因数の和:21711

約数の個数: 24

約数和(自身を含む): 237068928

約数和(自身を除く): 72553633

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 7595, 21661, 108305, 151627, 671491, 758135, 1061389, 3357455, 4700437, 5306945, 23502185, 32903059, 164515295]

約数ペア:

[(1, 164515295), (5, 32903059), (7, 23502185), (31, 5306945), (35, 4700437), (49, 3357455), (155, 1061389), (217, 758135), (245, 671491), (1085, 151627), (1519, 108305), (7595, 21661)]