67639925

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:853

約数の個数: 24

約数和(自身を含む): 86780160

約数和(自身を除く): 19140235

約数列:

[1, 5, 25, 53, 71, 265, 355, 719, 1325, 1775, 3595, 3763, 17975, 18815, 38107, 51049, 94075, 190535, 255245, 952675, 1276225, 2705597, 13527985, 67639925]

約数ペア:

[(1, 67639925), (5, 13527985), (25, 2705597), (53, 1276225), (71, 952675), (265, 255245), (355, 190535), (719, 94075), (1325, 51049), (1775, 38107), (3595, 18815), (3763, 17975)]