31663885

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{199}}^1\times {\mathrm{263}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 42134400

約数和(自身を除く): 10470515

約数列:

[1, 5, 11, 55, 121, 199, 263, 605, 995, 1315, 2189, 2893, 10945, 14465, 24079, 31823, 52337, 120395, 159115, 261685, 575707, 2878535, 6332777, 31663885]

約数ペア:

[(1, 31663885), (5, 6332777), (11, 2878535), (55, 575707), (121, 261685), (199, 159115), (263, 120395), (605, 52337), (995, 31823), (1315, 24079), (2189, 14465), (2893, 10945)]