217191738

素因数分解:

$2^1\times 3^1\times {\mathrm{439}}^1\times {\mathrm{82457}}^1$

素因数の和:82901

約数の個数: 16

約数和(自身を含む): 435378240

約数和(自身を除く): 218186502

約数列:

[1, 2, 3, 6, 439, 878, 1317, 2634, 82457, 164914, 247371, 494742, 36198623, 72397246, 108595869, 217191738]

約数ペア:

[(1, 217191738), (2, 108595869), (3, 72397246), (6, 36198623), (439, 494742), (878, 247371), (1317, 164914), (2634, 82457)]