81304444

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{1627}}^1$

素因数の和:1706

約数の個数: 36

約数和(自身を含む): 158427192

約数和(自身を除く): 77122748

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 961, 1612, 1627, 1922, 3254, 3844, 6508, 12493, 21151, 24986, 42302, 49972, 50437, 84604, 100874, 201748, 655681, 1311362, 1563547, 2622724, 3127094, 6254188, 20326111, 40652222, 81304444]

約数ペア:

[(1, 81304444), (2, 40652222), (4, 20326111), (13, 6254188), (26, 3127094), (31, 2622724), (52, 1563547), (62, 1311362), (124, 655681), (403, 201748), (806, 100874), (961, 84604), (1612, 50437), (1627, 49972), (1922, 42302), (3254, 24986), (3844, 21151), (6508, 12493)]