490802

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{439}}^1$

素因数の和:497

約数の個数: 16

約数和(自身を含む): 813120

約数和(自身を除く): 322318

約数列:

[1, 2, 13, 26, 43, 86, 439, 559, 878, 1118, 5707, 11414, 18877, 37754, 245401, 490802]

約数ペア:

[(1, 490802), (2, 245401), (13, 37754), (26, 18877), (43, 11414), (86, 5707), (439, 1118), (559, 878)]