81697008

素因数分解:

$2^4\times 3^1\times {\mathrm{643}}^1\times {\mathrm{2647}}^1$

素因数の和:3301

約数の個数: 40

約数和(自身を含む): 211458688

約数和(自身を除く): 129761680

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 643, 1286, 1929, 2572, 2647, 3858, 5144, 5294, 7716, 7941, 10288, 10588, 15432, 15882, 21176, 30864, 31764, 42352, 63528, 127056, 1702021, 3404042, 5106063, 6808084, 10212126, 13616168, 20424252, 27232336, 40848504, 81697008]

約数ペア:

[(1, 81697008), (2, 40848504), (3, 27232336), (4, 20424252), (6, 13616168), (8, 10212126), (12, 6808084), (16, 5106063), (24, 3404042), (48, 1702021), (643, 127056), (1286, 63528), (1929, 42352), (2572, 31764), (2647, 30864), (3858, 21176), (5144, 15882), (5294, 15432), (7716, 10588), (7941, 10288)]