171917785

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{6563}}^1$

素因数の和:6625

約数の個数: 24

約数和(自身を含む): 230632704

約数和(自身を除く): 58714919

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 2015, 5239, 6563, 26195, 32815, 85319, 203453, 426595, 1017265, 1109147, 2644889, 5545735, 13224445, 34383557, 171917785]

約数ペア:

[(1, 171917785), (5, 34383557), (13, 13224445), (31, 5545735), (65, 2644889), (155, 1109147), (169, 1017265), (403, 426595), (845, 203453), (2015, 85319), (5239, 32815), (6563, 26195)]