208035919

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19211}}^1$

素因数の和:19255

約数の個数: 24

約数和(自身を含む): 275961168

約数和(自身を除く): 67925249

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 10829, 19211, 134477, 249743, 326587, 941339, 1748201, 2286109, 4245631, 12237407, 16002763, 29719417, 208035919]

約数ペア:

[(1, 208035919), (7, 29719417), (13, 16002763), (17, 12237407), (49, 4245631), (91, 2286109), (119, 1748201), (221, 941339), (637, 326587), (833, 249743), (1547, 134477), (10829, 19211)]