28872625

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{7451}}^1$

素因数の和:7497

約数の個数: 16

約数和(自身を含む): 37200384

約数和(自身を除く): 8327759

約数列:

[1, 5, 25, 31, 125, 155, 775, 3875, 7451, 37255, 186275, 230981, 931375, 1154905, 5774525, 28872625]

約数ペア:

[(1, 28872625), (5, 5774525), (25, 1154905), (31, 931375), (125, 230981), (155, 186275), (775, 37255), (3875, 7451)]