28556870

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{39119}}^1$

素因数の和:39199

約数の個数: 16

約数和(自身を含む): 52107840

約数和(自身を除く): 23550970

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 39119, 78238, 195595, 391190, 2855687, 5711374, 14278435, 28556870]

約数ペア:

[(1, 28556870), (2, 14278435), (5, 5711374), (10, 2855687), (73, 391190), (146, 195595), (365, 78238), (730, 39119)]