166525025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{263}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 230461440

約数和(自身を除く): 63936415

約数列:

[1, 5, 19, 25, 31, 43, 95, 155, 215, 263, 475, 589, 775, 817, 1075, 1315, 1333, 2945, 4085, 4997, 6575, 6665, 8153, 11309, 14725, 20425, 24985, 25327, 33325, 40765, 56545, 124925, 126635, 154907, 203825, 214871, 282725, 350579, 633175, 774535, 1074355, 1752895, 3872675, 5371775, 6661001, 8764475, 33305005, 166525025]

約数ペア:

[(1, 166525025), (5, 33305005), (19, 8764475), (25, 6661001), (31, 5371775), (43, 3872675), (95, 1752895), (155, 1074355), (215, 774535), (263, 633175), (475, 350579), (589, 282725), (775, 214871), (817, 203825), (1075, 154907), (1315, 126635), (1333, 124925), (2945, 56545), (4085, 40765), (4997, 33325), (6575, 25327), (6665, 24985), (8153, 20425), (11309, 14725)]