494000001

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{263}}^1\times {\mathrm{18973}}^1$

素因数の和:19253

約数の個数: 24

約数和(自身を含む): 781425216

約数和(自身を除く): 287425215

約数列:

[1, 3, 9, 11, 33, 99, 263, 789, 2367, 2893, 8679, 18973, 26037, 56919, 170757, 208703, 626109, 1878327, 4989899, 14969697, 44909091, 54888889, 164666667, 494000001]

約数ペア:

[(1, 494000001), (3, 164666667), (9, 54888889), (11, 44909091), (33, 14969697), (99, 4989899), (263, 1878327), (789, 626109), (2367, 208703), (2893, 170757), (8679, 56919), (18973, 26037)]