28603925

素因数分解:

$5^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2069}}^1$

素因数の和:2165

約数の個数: 24

約数和(自身を含む): 41068800

約数和(自身を除く): 12464875

約数列:

[1, 5, 7, 25, 35, 79, 175, 395, 553, 1975, 2069, 2765, 10345, 13825, 14483, 51725, 72415, 163451, 362075, 817255, 1144157, 4086275, 5720785, 28603925]

約数ペア:

[(1, 28603925), (5, 5720785), (7, 4086275), (25, 1144157), (35, 817255), (79, 362075), (175, 163451), (395, 72415), (553, 51725), (1975, 14483), (2069, 13825), (2765, 10345)]