28985488

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 69102720

約数和(自身を除く): 40117232

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 53, 56, 76, 106, 112, 133, 152, 212, 257, 266, 304, 371, 424, 514, 532, 742, 848, 1007, 1028, 1064, 1484, 1799, 2014, 2056, 2128, 2968, 3598, 4028, 4112, 4883, 5936, 7049, 7196, 8056, 9766, 13621, 14098, 14392, 16112, 19532, 27242, 28196, 28784, 34181, 39064, 54484, 56392, 68362, 78128, 95347, 108968, 112784, 136724, 190694, 217936, 258799, 273448, 381388, 517598, 546896, 762776, 1035196, 1525552, 1811593, 2070392, 3623186, 4140784, 7246372, 14492744, 28985488]

約数ペア:

[(1, 28985488), (2, 14492744), (4, 7246372), (7, 4140784), (8, 3623186), (14, 2070392), (16, 1811593), (19, 1525552), (28, 1035196), (38, 762776), (53, 546896), (56, 517598), (76, 381388), (106, 273448), (112, 258799), (133, 217936), (152, 190694), (212, 136724), (257, 112784), (266, 108968), (304, 95347), (371, 78128), (424, 68362), (514, 56392), (532, 54484), (742, 39064), (848, 34181), (1007, 28784), (1028, 28196), (1064, 27242), (1484, 19532), (1799, 16112), (2014, 14392), (2056, 14098), (2128, 13621), (2968, 9766), (3598, 8056), (4028, 7196), (4112, 7049), (4883, 5936)]