218829149

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{405991}}^1$

素因数の和:406016

約数の個数: 12

約数和(自身を含む): 277698528

約数和(自身を除く): 58869379

約数列:

[1, 7, 11, 49, 77, 539, 405991, 2841937, 4465901, 19893559, 31261307, 218829149]

約数ペア:

[(1, 218829149), (7, 31261307), (11, 19893559), (49, 4465901), (77, 2841937), (539, 405991)]