128125535

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{1549}}^1$

素因数の和:1858

約数の個数: 16

約数和(自身を含む): 156686400

約数和(自身を除く): 28560865

約数列:

[1, 5, 71, 233, 355, 1165, 1549, 7745, 16543, 82715, 109979, 360917, 549895, 1804585, 25625107, 128125535]

約数ペア:

[(1, 128125535), (5, 25625107), (71, 1804585), (233, 549895), (355, 360917), (1165, 109979), (1549, 82715), (7745, 16543)]