2783161927

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1453}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 3638675712

約数和(自身を除く): 855513785

約数列:

[1, 7, 13, 31, 49, 91, 97, 217, 403, 637, 679, 1261, 1453, 1519, 2821, 3007, 4753, 8827, 10171, 18889, 19747, 21049, 39091, 45043, 61789, 71197, 132223, 140941, 147343, 273637, 315301, 585559, 925561, 986587, 1832233, 1915459, 2207107, 4098913, 4369171, 6906109, 12825631, 28692391, 30584197, 56799223, 89779417, 214089379, 397594561, 2783161927]

約数ペア:

[(1, 2783161927), (7, 397594561), (13, 214089379), (31, 89779417), (49, 56799223), (91, 30584197), (97, 28692391), (217, 12825631), (403, 6906109), (637, 4369171), (679, 4098913), (1261, 2207107), (1453, 1915459), (1519, 1832233), (2821, 986587), (3007, 925561), (4753, 585559), (8827, 315301), (10171, 273637), (18889, 147343), (19747, 140941), (21049, 132223), (39091, 71197), (45043, 61789)]