399896

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{193}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 884640

約数和(自身を除く): 484744

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 193, 259, 296, 386, 518, 772, 1036, 1351, 1544, 2072, 2702, 5404, 7141, 10808, 14282, 28564, 49987, 57128, 99974, 199948, 399896]

約数ペア:

[(1, 399896), (2, 199948), (4, 99974), (7, 57128), (8, 49987), (14, 28564), (28, 14282), (37, 10808), (56, 7141), (74, 5404), (148, 2702), (193, 2072), (259, 1544), (296, 1351), (386, 1036), (518, 772)]