2018317

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 16

約数和(自身を含む): 2433024

約数和(自身を除く): 414707

約数列:

[1, 7, 31, 71, 131, 217, 497, 917, 2201, 4061, 9301, 15407, 28427, 65107, 288331, 2018317]

約数ペア:

[(1, 2018317), (7, 288331), (31, 65107), (71, 28427), (131, 15407), (217, 9301), (497, 4061), (917, 2201)]