81654925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{1129}}^1$

素因数の和:1413

約数の個数: 24

約数和(自身を含む): 110975040

約数和(自身を除く): 29320115

約数列:

[1, 5, 11, 25, 55, 263, 275, 1129, 1315, 2893, 5645, 6575, 12419, 14465, 28225, 62095, 72325, 296927, 310475, 1484635, 3266197, 7423175, 16330985, 81654925]

約数ペア:

[(1, 81654925), (5, 16330985), (11, 7423175), (25, 3266197), (55, 1484635), (263, 310475), (275, 296927), (1129, 72325), (1315, 62095), (2893, 28225), (5645, 14465), (6575, 12419)]