1990991576

素因数分解:

$2^3\times 7^1\times {\mathrm{227}}^1\times {\mathrm{156623}}^1$

素因数の和:156863

約数の個数: 32

約数和(自身を含む): 4285232640

約数和(自身を除く): 2294241064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 227, 454, 908, 1589, 1816, 3178, 6356, 12712, 156623, 313246, 626492, 1096361, 1252984, 2192722, 4385444, 8770888, 35553421, 71106842, 142213684, 248873947, 284427368, 497747894, 995495788, 1990991576]

約数ペア:

[(1, 1990991576), (2, 995495788), (4, 497747894), (7, 284427368), (8, 248873947), (14, 142213684), (28, 71106842), (56, 35553421), (227, 8770888), (454, 4385444), (908, 2192722), (1589, 1252984), (1816, 1096361), (3178, 626492), (6356, 313246), (12712, 156623)]