30980844

素因数分解:

$2^2\times 3^2\times {\mathrm{860579}}^1$

素因数の和:860589

約数の個数: 18

約数和(自身を含む): 78312780

約数和(自身を除く): 47331936

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 860579, 1721158, 2581737, 3442316, 5163474, 7745211, 10326948, 15490422, 30980844]

約数ペア:

[(1, 30980844), (2, 15490422), (3, 10326948), (4, 7745211), (6, 5163474), (9, 3442316), (12, 2581737), (18, 1721158), (36, 860579)]