8642785

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{659}}^1$

素因数の和:768

約数の個数: 16

約数和(自身を含む): 10802880

約数和(自身を除く): 2160095

約数列:

[1, 5, 43, 61, 215, 305, 659, 2623, 3295, 13115, 28337, 40199, 141685, 200995, 1728557, 8642785]

約数ペア:

[(1, 8642785), (5, 1728557), (43, 200995), (61, 141685), (215, 40199), (305, 28337), (659, 13115), (2623, 3295)]