40419071

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1$

素因数の和:156

約数の個数: 48

約数和(自身を含む): 55157760

約数和(自身を除く): 14738689

約数列:

[1, 7, 11, 31, 41, 49, 59, 77, 217, 287, 341, 413, 451, 539, 649, 1271, 1519, 1829, 2009, 2387, 2419, 2891, 3157, 4543, 8897, 12803, 13981, 16709, 16933, 20119, 22099, 26609, 31801, 62279, 74989, 89621, 97867, 118531, 140833, 186263, 524923, 685069, 824879, 985831, 1303841, 3674461, 5774153, 40419071]

約数ペア:

[(1, 40419071), (7, 5774153), (11, 3674461), (31, 1303841), (41, 985831), (49, 824879), (59, 685069), (77, 524923), (217, 186263), (287, 140833), (341, 118531), (413, 97867), (451, 89621), (539, 74989), (649, 62279), (1271, 31801), (1519, 26609), (1829, 22099), (2009, 20119), (2387, 16933), (2419, 16709), (2891, 13981), (3157, 12803), (4543, 8897)]