129438392

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{521929}}^1$

素因数の和:521966

約数の個数: 16

約数和(自身を含む): 250526400

約数和(自身を除く): 121088008

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 521929, 1043858, 2087716, 4175432, 16179799, 32359598, 64719196, 129438392]

約数ペア:

[(1, 129438392), (2, 64719196), (4, 32359598), (8, 16179799), (31, 4175432), (62, 2087716), (124, 1043858), (248, 521929)]