1989439487

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{3019}}^1\times {\mathrm{4093}}^1$

素因数の和:7142

約数の個数: 16

約数和(自身を含む): 2373864960

約数和(自身を除く): 384425473

約数列:

[1, 7, 23, 161, 3019, 4093, 21133, 28651, 69437, 94139, 486059, 658973, 12356767, 86497369, 284205641, 1989439487]

約数ペア:

[(1, 1989439487), (7, 284205641), (23, 86497369), (161, 12356767), (3019, 658973), (4093, 486059), (21133, 94139), (28651, 69437)]