28447895

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{35339}}^1$

素因数の和:35374

約数の個数: 16

約数和(自身を含む): 40711680

約数和(自身を除く): 12263785

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 35339, 176695, 247373, 812797, 1236865, 4063985, 5689579, 28447895]

約数ペア:

[(1, 28447895), (5, 5689579), (7, 4063985), (23, 1236865), (35, 812797), (115, 247373), (161, 176695), (805, 35339)]