39891025696

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{28990571}}^1$

素因数の和:28990624

約数の個数: 24

約数和(自身を含む): 80361865584

約数和(自身を除く): 40470839888

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 28990571, 57981142, 115962284, 231924568, 463849136, 927698272, 1246594553, 2493189106, 4986378212, 9972756424, 19945512848, 39891025696]

約数ペア:

[(1, 39891025696), (2, 19945512848), (4, 9972756424), (8, 4986378212), (16, 2493189106), (32, 1246594553), (43, 927698272), (86, 463849136), (172, 231924568), (344, 115962284), (688, 57981142), (1376, 28990571)]