557221775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{677}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 783887328

約数和(自身を除く): 226665553

約数列:

[1, 5, 11, 25, 41, 55, 73, 205, 275, 365, 451, 677, 803, 1025, 1825, 2255, 2993, 3385, 4015, 7447, 11275, 14965, 16925, 20075, 27757, 32923, 37235, 49421, 74825, 138785, 164615, 186175, 247105, 305327, 543631, 693925, 823075, 1235525, 1526635, 2026261, 2718155, 7633175, 10131305, 13590775, 22288871, 50656525, 111444355, 557221775]

約数ペア:

[(1, 557221775), (5, 111444355), (11, 50656525), (25, 22288871), (41, 13590775), (55, 10131305), (73, 7633175), (205, 2718155), (275, 2026261), (365, 1526635), (451, 1235525), (677, 823075), (803, 693925), (1025, 543631), (1825, 305327), (2255, 247105), (2993, 186175), (3385, 164615), (4015, 138785), (7447, 74825), (11275, 49421), (14965, 37235), (16925, 32923), (20075, 27757)]