1979225394

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{2557}}^1$

素因数の和:2735

約数の個数: 64

約数和(自身を含む): 4243415040

約数和(自身を除く): 2264189646

約数列:

[1, 2, 3, 6, 23, 46, 69, 71, 79, 138, 142, 158, 213, 237, 426, 474, 1633, 1817, 2557, 3266, 3634, 4899, 5114, 5451, 5609, 7671, 9798, 10902, 11218, 15342, 16827, 33654, 58811, 117622, 129007, 176433, 181547, 202003, 258014, 352866, 363094, 387021, 404006, 544641, 606009, 774042, 1089282, 1212018, 4175581, 4646069, 8351162, 9292138, 12526743, 13938207, 14342213, 25053486, 27876414, 28684426, 43026639, 86053278, 329870899, 659741798, 989612697, 1979225394]

約数ペア:

[(1, 1979225394), (2, 989612697), (3, 659741798), (6, 329870899), (23, 86053278), (46, 43026639), (69, 28684426), (71, 27876414), (79, 25053486), (138, 14342213), (142, 13938207), (158, 12526743), (213, 9292138), (237, 8351162), (426, 4646069), (474, 4175581), (1633, 1212018), (1817, 1089282), (2557, 774042), (3266, 606009), (3634, 544641), (4899, 404006), (5114, 387021), (5451, 363094), (5609, 352866), (7671, 258014), (9798, 202003), (10902, 181547), (11218, 176433), (15342, 129007), (16827, 117622), (33654, 58811)]