68330255

素因数分解:

$5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{2129}}^1$

素因数の和:2279

約数の個数: 24

約数和(自身を含む): 96156720

約数和(自身を除く): 27826465

約数列:

[1, 5, 7, 35, 49, 131, 245, 655, 917, 2129, 4585, 6419, 10645, 14903, 32095, 74515, 104321, 278899, 521605, 1394495, 1952293, 9761465, 13666051, 68330255]

約数ペア:

[(1, 68330255), (5, 13666051), (7, 9761465), (35, 1952293), (49, 1394495), (131, 521605), (245, 278899), (655, 104321), (917, 74515), (2129, 32095), (4585, 14903), (6419, 10645)]