28604675

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 12642685

約数列:

[1, 5, 11, 25, 41, 43, 55, 59, 205, 215, 275, 295, 451, 473, 649, 1025, 1075, 1475, 1763, 2255, 2365, 2419, 2537, 3245, 8815, 11275, 11825, 12095, 12685, 16225, 19393, 26609, 27907, 44075, 60475, 63425, 96965, 104017, 133045, 139535, 484825, 520085, 665225, 697675, 1144187, 2600425, 5720935, 28604675]

約数ペア:

[(1, 28604675), (5, 5720935), (11, 2600425), (25, 1144187), (41, 697675), (43, 665225), (55, 520085), (59, 484825), (205, 139535), (215, 133045), (275, 104017), (295, 96965), (451, 63425), (473, 60475), (649, 44075), (1025, 27907), (1075, 26609), (1475, 19393), (1763, 16225), (2255, 12685), (2365, 12095), (2419, 11825), (2537, 11275), (3245, 8815)]