1640496987199

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{244703}}^1$

素因数の和:244876

約数の個数: 48

約数和(自身を含む): 2024598675456

約数和(自身を除く): 384101688257

約数列:

[1, 7, 41, 47, 49, 71, 287, 329, 497, 1927, 2009, 2303, 2911, 3337, 3479, 13489, 20377, 23359, 94423, 136817, 142639, 163513, 244703, 957719, 1712921, 6704033, 10032823, 11501041, 11990447, 17373913, 70229761, 80507287, 121617391, 471542681, 491608327, 563551009, 712330433, 816573911, 851321737, 3300798767, 4986313031, 5716017377, 23105591369, 33479530351, 34904191217, 40012121639, 234356712457, 1640496987199]

約数ペア:

[(1, 1640496987199), (7, 234356712457), (41, 40012121639), (47, 34904191217), (49, 33479530351), (71, 23105591369), (287, 5716017377), (329, 4986313031), (497, 3300798767), (1927, 851321737), (2009, 816573911), (2303, 712330433), (2911, 563551009), (3337, 491608327), (3479, 471542681), (13489, 121617391), (20377, 80507287), (23359, 70229761), (94423, 17373913), (136817, 11990447), (142639, 11501041), (163513, 10032823), (244703, 6704033), (957719, 1712921)]