289502642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:419

約数の個数: 64

約数和(自身を含む): 529079040

約数和(自身を除く): 239576398

約数列:

[1, 2, 11, 13, 22, 26, 53, 71, 106, 142, 143, 269, 286, 538, 583, 689, 781, 923, 1166, 1378, 1562, 1846, 2959, 3497, 3763, 5918, 6994, 7526, 7579, 10153, 14257, 15158, 19099, 20306, 28514, 38198, 38467, 41393, 48919, 76934, 82786, 97838, 156827, 185341, 210089, 248287, 313654, 370682, 420178, 496574, 538109, 1012247, 1076218, 2024494, 2038751, 2731157, 4077502, 5462314, 11134717, 13159211, 22269434, 26318422, 144751321, 289502642]

約数ペア:

[(1, 289502642), (2, 144751321), (11, 26318422), (13, 22269434), (22, 13159211), (26, 11134717), (53, 5462314), (71, 4077502), (106, 2731157), (142, 2038751), (143, 2024494), (269, 1076218), (286, 1012247), (538, 538109), (583, 496574), (689, 420178), (781, 370682), (923, 313654), (1166, 248287), (1378, 210089), (1562, 185341), (1846, 156827), (2959, 97838), (3497, 82786), (3763, 76934), (5918, 48919), (6994, 41393), (7526, 38467), (7579, 38198), (10153, 28514), (14257, 20306), (15158, 19099)]