28893085

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1103}}^1$

素因数の和:1165

約数の個数: 24

約数和(自身を含む): 38790144

約数和(自身を除く): 9897059

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 1103, 2015, 5239, 5515, 14339, 26195, 34193, 71695, 170965, 186407, 444509, 932035, 2222545, 5778617, 28893085]

約数ペア:

[(1, 28893085), (5, 5778617), (13, 2222545), (31, 932035), (65, 444509), (155, 186407), (169, 170965), (403, 71695), (845, 34193), (1103, 26195), (2015, 14339), (5239, 5515)]