981604

素因数分解:

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

素因数の和:499

約数の個数: 24

約数和(自身を含む): 1897280

約数和(自身を除く): 915676

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 439, 559, 878, 1118, 1756, 2236, 5707, 11414, 18877, 22828, 37754, 75508, 245401, 490802, 981604]

約数ペア:

[(1, 981604), (2, 490802), (4, 245401), (13, 75508), (26, 37754), (43, 22828), (52, 18877), (86, 11414), (172, 5707), (439, 2236), (559, 1756), (878, 1118)]