252620017

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{3823}}^1$

素因数の和:3889

約数の個数: 24

約数和(自身を含む): 302310144

約数和(自身を除く): 49690127

約数列:

[1, 13, 17, 23, 169, 221, 299, 391, 2873, 3823, 3887, 5083, 49699, 64991, 66079, 87929, 646087, 844883, 1143077, 1494793, 10983479, 14860001, 19432309, 252620017]

約数ペア:

[(1, 252620017), (13, 19432309), (17, 14860001), (23, 10983479), (169, 1494793), (221, 1143077), (299, 844883), (391, 646087), (2873, 87929), (3823, 66079), (3887, 64991), (5083, 49699)]