251017019

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{281}}^2$

素因数の和:607

約数の個数: 18

約数和(自身を含む): 291931212

約数和(自身を除く): 40914193

約数列:

[1, 11, 17, 187, 281, 289, 3091, 3179, 4777, 52547, 78961, 81209, 868571, 893299, 1342337, 14765707, 22819729, 251017019]

約数ペア:

[(1, 251017019), (11, 22819729), (17, 14765707), (187, 1342337), (281, 893299), (289, 868571), (3091, 81209), (3179, 78961), (4777, 52547)]