28420979

素因数分解:

${\mathrm{19}}^1\times {\mathrm{43}}^2\times {\mathrm{809}}^1$

素因数の和:914

約数の個数: 12

約数和(自身を含む): 30666600

約数和(自身を除く): 2245621

約数列:

[1, 19, 43, 809, 817, 1849, 15371, 34787, 35131, 660953, 1495841, 28420979]

約数ペア:

[(1, 28420979), (19, 1495841), (43, 660953), (809, 35131), (817, 34787), (1849, 15371)]