28473425

素因数分解:

$5^2\times {\mathrm{23}}^2\times {\mathrm{2153}}^1$

素因数の和:2209

約数の個数: 18

約数和(自身を含む): 36926022

約数和(自身を除く): 8452597

約数列:

[1, 5, 23, 25, 115, 529, 575, 2153, 2645, 10765, 13225, 49519, 53825, 247595, 1138937, 1237975, 5694685, 28473425]

約数ペア:

[(1, 28473425), (5, 5694685), (23, 1237975), (25, 1138937), (115, 247595), (529, 53825), (575, 49519), (2153, 13225), (2645, 10765)]