217781368

素因数分解:

$2^3\times 7^1\times {\mathrm{1609}}^1\times {\mathrm{2417}}^1$

素因数の和:4039

約数の個数: 32

約数和(自身を含む): 467157600

約数和(自身を除く): 249376232

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1609, 2417, 3218, 4834, 6436, 9668, 11263, 12872, 16919, 19336, 22526, 33838, 45052, 67676, 90104, 135352, 3888953, 7777906, 15555812, 27222671, 31111624, 54445342, 108890684, 217781368]

約数ペア:

[(1, 217781368), (2, 108890684), (4, 54445342), (7, 31111624), (8, 27222671), (14, 15555812), (28, 7777906), (56, 3888953), (1609, 135352), (2417, 90104), (3218, 67676), (4834, 45052), (6436, 33838), (9668, 22526), (11263, 19336), (12872, 16919)]