12905977

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 15396480

約数和(自身を除く): 2490503

約数列:

[1, 7, 43, 53, 301, 371, 809, 2279, 5663, 15953, 34787, 42877, 243509, 300139, 1843711, 12905977]

約数ペア:

[(1, 12905977), (7, 1843711), (43, 300139), (53, 243509), (301, 42877), (371, 34787), (809, 15953), (2279, 5663)]