490421278

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{257}}^1\times {\mathrm{22189}}^1$

素因数の和:22491

約数の個数: 16

約数和(自身を含む): 755702640

約数和(自身を除く): 265281362

約数列:

[1, 2, 43, 86, 257, 514, 11051, 22102, 22189, 44378, 954127, 1908254, 5702573, 11405146, 245210639, 490421278]

約数ペア:

[(1, 490421278), (2, 245210639), (43, 11405146), (86, 5702573), (257, 1908254), (514, 954127), (11051, 44378), (22102, 22189)]