490693567

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{439}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 617379840

約数和(自身を除く): 126686273

約数列:

[1, 7, 13, 71, 91, 173, 439, 497, 923, 1211, 2249, 3073, 5707, 6461, 12283, 15743, 31169, 39949, 75947, 85981, 159679, 218183, 405197, 531629, 987311, 1117753, 2836379, 5392237, 6911177, 37745659, 70099081, 490693567]

約数ペア:

[(1, 490693567), (7, 70099081), (13, 37745659), (71, 6911177), (91, 5392237), (173, 2836379), (439, 1117753), (497, 987311), (923, 531629), (1211, 405197), (2249, 218183), (3073, 159679), (5707, 85981), (6461, 75947), (12283, 39949), (15743, 31169)]