628188008

素因数分解:

$2^3\times 7^1\times {\mathrm{409}}^1\times {\mathrm{27427}}^1$

素因数の和:27849

約数の個数: 32

約数和(自身を含む): 1349457600

約数和(自身を除く): 721269592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 409, 818, 1636, 2863, 3272, 5726, 11452, 22904, 27427, 54854, 109708, 191989, 219416, 383978, 767956, 1535912, 11217643, 22435286, 44870572, 78523501, 89741144, 157047002, 314094004, 628188008]

約数ペア:

[(1, 628188008), (2, 314094004), (4, 157047002), (7, 89741144), (8, 78523501), (14, 44870572), (28, 22435286), (56, 11217643), (409, 1535912), (818, 767956), (1636, 383978), (2863, 219416), (3272, 191989), (5726, 109708), (11452, 54854), (22904, 27427)]