2560404003

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{42667}}^1$

素因数の和:42994

約数の個数: 16

約数和(自身を含む): 3469420416

約数和(自身を除く): 909016413

約数列:

[1, 3, 83, 241, 249, 723, 20003, 42667, 60009, 128001, 3541361, 10282747, 10624083, 30848241, 853468001, 2560404003]

約数ペア:

[(1, 2560404003), (3, 853468001), (83, 30848241), (241, 10624083), (249, 10282747), (723, 3541361), (20003, 128001), (42667, 60009)]