678357316

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{17417}}^1$

素因数の和:17548

約数の個数: 48

約数和(自身を含む): 1474816896

約数和(自身を除く): 796459580

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 107, 182, 214, 364, 428, 749, 1391, 1498, 2782, 2996, 5564, 9737, 17417, 19474, 34834, 38948, 69668, 121919, 226421, 243838, 452842, 487676, 905684, 1584947, 1863619, 3169894, 3727238, 6339788, 7454476, 13045333, 24227047, 26090666, 48454094, 52181332, 96908188, 169589329, 339178658, 678357316]

約数ペア:

[(1, 678357316), (2, 339178658), (4, 169589329), (7, 96908188), (13, 52181332), (14, 48454094), (26, 26090666), (28, 24227047), (52, 13045333), (91, 7454476), (107, 6339788), (182, 3727238), (214, 3169894), (364, 1863619), (428, 1584947), (749, 905684), (1391, 487676), (1498, 452842), (2782, 243838), (2996, 226421), (5564, 121919), (9737, 69668), (17417, 38948), (19474, 34834)]