78896321

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{43517}}^1$

素因数の和:43568

約数の個数: 12

約数和(自身を含む): 94259988

約数和(自身を除く): 15363667

約数列:

[1, 7, 37, 49, 259, 1813, 43517, 304619, 1610129, 2132333, 11270903, 78896321]

約数ペア:

[(1, 78896321), (7, 11270903), (37, 2132333), (49, 1610129), (259, 304619), (1813, 43517)]