2011878219

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{367}}^1$

素因数の和:580

約数の個数: 64

約数和(自身を含む): 3101091840

約数和(自身を除く): 1089213621

約数列:

[1, 3, 13, 29, 37, 39, 87, 111, 131, 367, 377, 393, 481, 1073, 1101, 1131, 1443, 1703, 3219, 3799, 4771, 4847, 5109, 10643, 11397, 13579, 13949, 14313, 14541, 31929, 40737, 41847, 48077, 49387, 63011, 138359, 140563, 144231, 148161, 176527, 189033, 393791, 415077, 421689, 529581, 625001, 1181373, 1394233, 1778849, 1827319, 1875003, 4182699, 5119283, 5336547, 5481957, 15357849, 18125029, 23125037, 51586621, 54375087, 69375111, 154759863, 670626073, 2011878219]

約数ペア:

[(1, 2011878219), (3, 670626073), (13, 154759863), (29, 69375111), (37, 54375087), (39, 51586621), (87, 23125037), (111, 18125029), (131, 15357849), (367, 5481957), (377, 5336547), (393, 5119283), (481, 4182699), (1073, 1875003), (1101, 1827319), (1131, 1778849), (1443, 1394233), (1703, 1181373), (3219, 625001), (3799, 529581), (4771, 421689), (4847, 415077), (5109, 393791), (10643, 189033), (11397, 176527), (13579, 148161), (13949, 144231), (14313, 140563), (14541, 138359), (31929, 63011), (40737, 49387), (41847, 48077)]