28393225

素因数分解:

$5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1823}}^1$

素因数の和:1929

約数の個数: 24

約数和(自身を含む): 40711680

約数和(自身を除く): 12318455

約数列:

[1, 5, 7, 25, 35, 89, 175, 445, 623, 1823, 2225, 3115, 9115, 12761, 15575, 45575, 63805, 162247, 319025, 811235, 1135729, 4056175, 5678645, 28393225]

約数ペア:

[(1, 28393225), (5, 5678645), (7, 4056175), (25, 1135729), (35, 811235), (89, 319025), (175, 162247), (445, 63805), (623, 45575), (1823, 15575), (2225, 12761), (3115, 9115)]