90639496

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{20341}}^1$

素因数の和:20904

約数の個数: 16

約数和(自身を含む): 170262540

約数和(自身を除く): 79623044

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 20341, 40682, 81364, 162728, 11329937, 22659874, 45319748, 90639496]

約数ペア:

[(1, 90639496), (2, 45319748), (4, 22659874), (8, 11329937), (557, 162728), (1114, 81364), (2228, 40682), (4456, 20341)]