1640378488

素因数分解:

$2^3\times 7^2\times {\mathrm{277}}^1\times {\mathrm{15107}}^1$

素因数の和:15404

約数の個数: 48

約数和(自身を含む): 3591020520

約数和(自身を除く): 1950642032

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 277, 392, 554, 1108, 1939, 2216, 3878, 7756, 13573, 15107, 15512, 27146, 30214, 54292, 60428, 105749, 108584, 120856, 211498, 422996, 740243, 845992, 1480486, 2960972, 4184639, 5921944, 8369278, 16738556, 29292473, 33477112, 58584946, 117169892, 205047311, 234339784, 410094622, 820189244, 1640378488]

約数ペア:

[(1, 1640378488), (2, 820189244), (4, 410094622), (7, 234339784), (8, 205047311), (14, 117169892), (28, 58584946), (49, 33477112), (56, 29292473), (98, 16738556), (196, 8369278), (277, 5921944), (392, 4184639), (554, 2960972), (1108, 1480486), (1939, 845992), (2216, 740243), (3878, 422996), (7756, 211498), (13573, 120856), (15107, 108584), (15512, 105749), (27146, 60428), (30214, 54292)]