218902159

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{62921}}^1$

素因数の和:63006

約数の個数: 12

約数和(自身を含む): 258231888

約数和(自身を除く): 39329729

約数列:

[1, 7, 49, 71, 497, 3479, 62921, 440447, 3083129, 4467391, 31271737, 218902159]

約数ペア:

[(1, 218902159), (7, 31271737), (49, 4467391), (71, 3083129), (497, 440447), (3479, 62921)]