28861075

素因数分解:

$5^2\times {\mathrm{809}}^1\times {\mathrm{1427}}^1$

素因数の和:2246

約数の個数: 12

約数和(自身を含む): 35857080

約数和(自身を除く): 6996005

約数列:

[1, 5, 25, 809, 1427, 4045, 7135, 20225, 35675, 1154443, 5772215, 28861075]

約数ペア:

[(1, 28861075), (5, 5772215), (25, 1154443), (809, 35675), (1427, 20225), (4045, 7135)]