208936145

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{281}}^1\times {\mathrm{1229}}^1$

素因数の和:1537

約数の個数: 24

約数和(自身を含む): 276794280

約数和(自身を除く): 67858135

約数列:

[1, 5, 11, 55, 121, 281, 605, 1229, 1405, 3091, 6145, 13519, 15455, 34001, 67595, 148709, 170005, 345349, 743545, 1726745, 3798839, 18994195, 41787229, 208936145]

約数ペア:

[(1, 208936145), (5, 41787229), (11, 18994195), (55, 3798839), (121, 1726745), (281, 743545), (605, 345349), (1229, 170005), (1405, 148709), (3091, 67595), (6145, 34001), (13519, 15455)]