1380823081

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 1675800000

約数和(自身を除く): 294976919

約数列:

[1, 11, 19, 29, 121, 139, 149, 209, 319, 551, 1529, 1639, 2299, 2641, 2831, 3509, 4031, 4321, 6061, 16819, 18029, 20711, 29051, 31141, 44341, 47531, 66671, 76589, 82099, 227821, 319561, 342551, 393509, 487751, 522841, 600619, 842479, 903089, 2506031, 4328599, 6606809, 9267269, 9933979, 11411761, 47614589, 72674899, 125529371, 1380823081]

約数ペア:

[(1, 1380823081), (11, 125529371), (19, 72674899), (29, 47614589), (121, 11411761), (139, 9933979), (149, 9267269), (209, 6606809), (319, 4328599), (551, 2506031), (1529, 903089), (1639, 842479), (2299, 600619), (2641, 522841), (2831, 487751), (3509, 393509), (4031, 342551), (4321, 319561), (6061, 227821), (16819, 82099), (18029, 76589), (20711, 66671), (29051, 47531), (31141, 44341)]