398980322

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{72727}}^1$

素因数の和:72953

約数の個数: 16

約数和(自身を含む): 647570112

約数和(自身を除く): 248589790

約数列:

[1, 2, 13, 26, 211, 422, 2743, 5486, 72727, 145454, 945451, 1890902, 15345397, 30690794, 199490161, 398980322]

約数ペア:

[(1, 398980322), (2, 199490161), (13, 30690794), (26, 15345397), (211, 1890902), (422, 945451), (2743, 145454), (5486, 72727)]