12538519

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1657}}^1$

素因数の和:1734

約数の個数: 16

約数和(自身を含む): 15280128

約数和(自身を除く): 2741609

約数列:

[1, 7, 23, 47, 161, 329, 1081, 1657, 7567, 11599, 38111, 77879, 266777, 545153, 1791217, 12538519]

約数ペア:

[(1, 12538519), (7, 1791217), (23, 545153), (47, 266777), (161, 77879), (329, 38111), (1081, 11599), (1657, 7567)]