66792856

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 137030400

約数和(自身を除く): 70237544

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 169, 254, 338, 389, 508, 676, 778, 1016, 1352, 1556, 1651, 3112, 3302, 5057, 6604, 10114, 13208, 20228, 21463, 40456, 42926, 49403, 65741, 85852, 98806, 131482, 171704, 197612, 262964, 395224, 525928, 642239, 1284478, 2568956, 5137912, 8349107, 16698214, 33396428, 66792856]

約数ペア:

[(1, 66792856), (2, 33396428), (4, 16698214), (8, 8349107), (13, 5137912), (26, 2568956), (52, 1284478), (104, 642239), (127, 525928), (169, 395224), (254, 262964), (338, 197612), (389, 171704), (508, 131482), (676, 98806), (778, 85852), (1016, 65741), (1352, 49403), (1556, 42926), (1651, 40456), (3112, 21463), (3302, 20228), (5057, 13208), (6604, 10114)]