513788513

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{911}}^1$

素因数の和:1085

約数の個数: 32

約数和(自身を含む): 638779392

約数和(自身を除く): 124990879

約数列:

[1, 7, 23, 31, 113, 161, 217, 713, 791, 911, 2599, 3503, 4991, 6377, 18193, 20953, 24521, 28241, 80569, 102943, 146671, 197687, 563983, 649543, 720601, 2367689, 3191233, 4546801, 16573823, 22338631, 73398359, 513788513]

約数ペア:

[(1, 513788513), (7, 73398359), (23, 22338631), (31, 16573823), (113, 4546801), (161, 3191233), (217, 2367689), (713, 720601), (791, 649543), (911, 563983), (2599, 197687), (3503, 146671), (4991, 102943), (6377, 80569), (18193, 28241), (20953, 24521)]