217089955

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{8377}}^1$

素因数の和:8526

約数の個数: 16

約数和(自身を含む): 267827904

約数和(自身を除く): 50737949

約数列:

[1, 5, 71, 73, 355, 365, 5183, 8377, 25915, 41885, 594767, 611521, 2973835, 3057605, 43417991, 217089955]

約数ペア:

[(1, 217089955), (5, 43417991), (71, 3057605), (73, 2973835), (355, 611521), (365, 594767), (5183, 41885), (8377, 25915)]