80731898

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{72211}}^1$

素因数の和:72269

約数の個数: 16

約数和(自身を含む): 133447776

約数和(自身を除く): 52715878

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 72211, 144422, 938743, 1877486, 3105073, 6210146, 40365949, 80731898]

約数ペア:

[(1, 80731898), (2, 40365949), (13, 6210146), (26, 3105073), (43, 1877486), (86, 938743), (559, 144422), (1118, 72211)]