257270545

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{1471}}^1$

素因数の和:1765

約数の個数: 32

約数和(自身を含む): 373063680

約数和(自身を除く): 115793135

約数列:

[1, 5, 7, 19, 35, 95, 133, 263, 665, 1315, 1471, 1841, 4997, 7355, 9205, 10297, 24985, 27949, 34979, 51485, 139745, 174895, 195643, 386873, 978215, 1934365, 2708111, 7350587, 13540555, 36752935, 51454109, 257270545]

約数ペア:

[(1, 257270545), (5, 51454109), (7, 36752935), (19, 13540555), (35, 7350587), (95, 2708111), (133, 1934365), (263, 978215), (665, 386873), (1315, 195643), (1471, 174895), (1841, 139745), (4997, 51485), (7355, 34979), (9205, 27949), (10297, 24985)]