261976273

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{19433}}^1$

素因数の和:19524

約数の個数: 16

約数和(自身を含む): 303636816

約数和(自身を除く): 41660543

約数列:

[1, 13, 17, 61, 221, 793, 1037, 13481, 19433, 252629, 330361, 1185413, 4294693, 15410369, 20152021, 261976273]

約数ペア:

[(1, 261976273), (13, 20152021), (17, 15410369), (61, 4294693), (221, 1185413), (793, 330361), (1037, 252629), (13481, 19433)]