87761989

素因数分解:

$7^2\times {\mathrm{449}}^1\times {\mathrm{3989}}^1$

素因数の和:4452

約数の個数: 12

約数和(自身を含む): 102343500

約数和(自身を除く): 14581511

約数列:

[1, 7, 49, 449, 3143, 3989, 22001, 27923, 195461, 1791061, 12537427, 87761989]

約数ペア:

[(1, 87761989), (7, 12537427), (49, 1791061), (449, 195461), (3143, 27923), (3989, 22001)]