17984281

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 21224448

約数和(自身を除く): 3240167

約数列:

[1, 7, 41, 223, 281, 287, 1561, 1967, 9143, 11521, 62663, 64001, 80647, 438641, 2569183, 17984281]

約数ペア:

[(1, 17984281), (7, 2569183), (41, 438641), (223, 80647), (281, 64001), (287, 62663), (1561, 11521), (1967, 9143)]