251456604

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{1619}}^1$

素因数の和:1719

約数の個数: 72

約数和(自身を含む): 686931840

約数和(自身を除く): 435475236

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 84, 86, 129, 172, 258, 301, 516, 602, 903, 1204, 1619, 1806, 1849, 3238, 3612, 3698, 4857, 5547, 6476, 7396, 9714, 11094, 11333, 12943, 19428, 22188, 22666, 25886, 33999, 38829, 45332, 51772, 67998, 69617, 77658, 135996, 139234, 155316, 208851, 278468, 417702, 487319, 835404, 974638, 1461957, 1949276, 2923914, 2993531, 5847828, 5987062, 8980593, 11974124, 17961186, 20954717, 35922372, 41909434, 62864151, 83818868, 125728302, 251456604]

約数ペア:

[(1, 251456604), (2, 125728302), (3, 83818868), (4, 62864151), (6, 41909434), (7, 35922372), (12, 20954717), (14, 17961186), (21, 11974124), (28, 8980593), (42, 5987062), (43, 5847828), (84, 2993531), (86, 2923914), (129, 1949276), (172, 1461957), (258, 974638), (301, 835404), (516, 487319), (602, 417702), (903, 278468), (1204, 208851), (1619, 155316), (1806, 139234), (1849, 135996), (3238, 77658), (3612, 69617), (3698, 67998), (4857, 51772), (5547, 45332), (6476, 38829), (7396, 33999), (9714, 25886), (11094, 22666), (11333, 22188), (12943, 19428)]