9991591

素因数分解:

${\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:318

約数の個数: 16

約数和(自身を含む): 10944000

約数和(自身を除く): 952409

約数列:

[1, 23, 37, 59, 199, 851, 1357, 2183, 4577, 7363, 11741, 50209, 169349, 270043, 434417, 9991591]

約数ペア:

[(1, 9991591), (23, 434417), (37, 270043), (59, 169349), (199, 50209), (851, 11741), (1357, 7363), (2183, 4577)]