1990417

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 2419200

約数和(自身を除く): 428783

約数列:

[1, 11, 13, 31, 143, 341, 403, 449, 4433, 4939, 5837, 13919, 64207, 153109, 180947, 1990417]

約数ペア:

[(1, 1990417), (11, 180947), (13, 153109), (31, 64207), (143, 13919), (341, 5837), (403, 4939), (449, 4433)]