199974313

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{3929}}^1$

素因数の和:4608

約数の個数: 16

約数和(自身を含む): 249759360

約数和(自身を除く): 49785047

約数列:

[1, 7, 11, 77, 661, 3929, 4627, 7271, 27503, 43219, 50897, 302533, 2597069, 18179483, 28567759, 199974313]

約数ペア:

[(1, 199974313), (7, 28567759), (11, 18179483), (77, 2597069), (661, 302533), (3929, 50897), (4627, 43219), (7271, 27503)]