389980422

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{23473}}^1$

素因数の和:23565

約数の個数: 48

約数和(自身を含む): 922809888

約数和(自身を除く): 532829466

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 71, 78, 117, 142, 213, 234, 426, 639, 923, 1278, 1846, 2769, 5538, 8307, 16614, 23473, 46946, 70419, 140838, 211257, 305149, 422514, 610298, 915447, 1666583, 1830894, 2746341, 3333166, 4999749, 5492682, 9999498, 14999247, 21665579, 29998494, 43331158, 64996737, 129993474, 194990211, 389980422]

約数ペア:

[(1, 389980422), (2, 194990211), (3, 129993474), (6, 64996737), (9, 43331158), (13, 29998494), (18, 21665579), (26, 14999247), (39, 9999498), (71, 5492682), (78, 4999749), (117, 3333166), (142, 2746341), (213, 1830894), (234, 1666583), (426, 915447), (639, 610298), (923, 422514), (1278, 305149), (1846, 211257), (2769, 140838), (5538, 70419), (8307, 46946), (16614, 23473)]