28328705

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{317}}^1$

素因数の和:676

約数の個数: 16

約数和(自身を含む): 34779024

約数和(自身を除く): 6450319

約数列:

[1, 5, 61, 293, 305, 317, 1465, 1585, 17873, 19337, 89365, 92881, 96685, 464405, 5665741, 28328705]

約数ペア:

[(1, 28328705), (5, 5665741), (61, 464405), (293, 96685), (305, 92881), (317, 89365), (1465, 19337), (1585, 17873)]