987703871

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{60793}}^1$

素因数の和:61022

約数の個数: 16

約数和(自身を含む): 1237279488

約数和(自身を除く): 249575617

約数列:

[1, 7, 11, 77, 211, 1477, 2321, 16247, 60793, 425551, 668723, 4681061, 12827323, 89791261, 141100553, 987703871]

約数ペア:

[(1, 987703871), (7, 141100553), (11, 89791261), (77, 12827323), (211, 4681061), (1477, 668723), (2321, 425551), (16247, 60793)]