28767025

素因数分解:

$5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1847}}^1$

素因数の和:1953

約数の個数: 24

約数和(自身を含む): 41247360

約数和(自身を除く): 12480335

約数列:

[1, 5, 7, 25, 35, 89, 175, 445, 623, 1847, 2225, 3115, 9235, 12929, 15575, 46175, 64645, 164383, 323225, 821915, 1150681, 4109575, 5753405, 28767025]

約数ペア:

[(1, 28767025), (5, 5753405), (7, 4109575), (25, 1150681), (35, 821915), (89, 323225), (175, 164383), (445, 64645), (623, 46175), (1847, 15575), (2225, 12929), (3115, 9235)]