320972008

素因数分解:

$2^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{43753}}^1$

素因数の和:43897

約数の個数: 32

約数和(自身を含む): 693063360

約数和(自身を除く): 372091352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 131, 262, 524, 917, 1048, 1834, 3668, 7336, 43753, 87506, 175012, 306271, 350024, 612542, 1225084, 2450168, 5731643, 11463286, 22926572, 40121501, 45853144, 80243002, 160486004, 320972008]

約数ペア:

[(1, 320972008), (2, 160486004), (4, 80243002), (7, 45853144), (8, 40121501), (14, 22926572), (28, 11463286), (56, 5731643), (131, 2450168), (262, 1225084), (524, 612542), (917, 350024), (1048, 306271), (1834, 175012), (3668, 87506), (7336, 43753)]