28914275

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2069}}^1$

素因数の和:2135

約数の個数: 24

約数和(自身を含む): 39528720

約数和(自身を除く): 10614445

約数列:

[1, 5, 13, 25, 43, 65, 215, 325, 559, 1075, 2069, 2795, 10345, 13975, 26897, 51725, 88967, 134485, 444835, 672425, 1156571, 2224175, 5782855, 28914275]

約数ペア:

[(1, 28914275), (5, 5782855), (13, 2224175), (25, 1156571), (43, 672425), (65, 444835), (215, 134485), (325, 88967), (559, 51725), (1075, 26897), (2069, 13975), (2795, 10345)]