1287407926

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{1621}}^1$

素因数の和:1765

約数の個数: 64

約数和(自身を含む): 2421633024

約数和(自身を除く): 1134225098

約数列:

[1, 2, 7, 14, 17, 34, 47, 71, 94, 119, 142, 238, 329, 497, 658, 799, 994, 1207, 1598, 1621, 2414, 3242, 3337, 5593, 6674, 8449, 11186, 11347, 16898, 22694, 23359, 27557, 46718, 55114, 56729, 76187, 113458, 115091, 152374, 192899, 230182, 385798, 397103, 533309, 794206, 805637, 1066618, 1295179, 1611274, 1956547, 2590358, 3913094, 5409277, 9066253, 10818554, 13695829, 18132506, 27391658, 37864939, 75729878, 91957709, 183915418, 643703963, 1287407926]

約数ペア:

[(1, 1287407926), (2, 643703963), (7, 183915418), (14, 91957709), (17, 75729878), (34, 37864939), (47, 27391658), (71, 18132506), (94, 13695829), (119, 10818554), (142, 9066253), (238, 5409277), (329, 3913094), (497, 2590358), (658, 1956547), (799, 1611274), (994, 1295179), (1207, 1066618), (1598, 805637), (1621, 794206), (2414, 533309), (3242, 397103), (3337, 385798), (5593, 230182), (6674, 192899), (8449, 152374), (11186, 115091), (11347, 113458), (16898, 76187), (22694, 56729), (23359, 55114), (27557, 46718)]