287293818

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{49211}}^1$

素因数の和:49362

約数の個数: 32

約数和(自身を含む): 661409280

約数和(自身を除く): 374115462

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2919, 5838, 49211, 98422, 147633, 295266, 344477, 688954, 1033431, 2066862, 6840329, 13680658, 20520987, 41041974, 47882303, 95764606, 143646909, 287293818]

約数ペア:

[(1, 287293818), (2, 143646909), (3, 95764606), (6, 47882303), (7, 41041974), (14, 20520987), (21, 13680658), (42, 6840329), (139, 2066862), (278, 1033431), (417, 688954), (834, 344477), (973, 295266), (1946, 147633), (2919, 98422), (5838, 49211)]