199989097

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{911}}^1\times {\mathrm{2851}}^1$

素因数の和:3780

約数の個数: 16

約数和(自身を含む): 249698304

約数和(自身を除く): 49709207

約数列:

[1, 7, 11, 77, 911, 2851, 6377, 10021, 19957, 31361, 70147, 219527, 2597261, 18180827, 28569871, 199989097]

約数ペア:

[(1, 199989097), (7, 28569871), (11, 18180827), (77, 2597261), (911, 219527), (2851, 70147), (6377, 31361), (10021, 19957)]