378777776

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1223}}^1\times {\mathrm{1489}}^1$

素因数の和:2733

約数の個数: 40

約数和(自身を含む): 791511840

約数和(自身を除く): 412734064

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1223, 1489, 2446, 2978, 4892, 5956, 9784, 11912, 15899, 19357, 19568, 23824, 31798, 38714, 63596, 77428, 127192, 154856, 254384, 309712, 1821047, 3642094, 7284188, 14568376, 23673611, 29136752, 47347222, 94694444, 189388888, 378777776]

約数ペア:

[(1, 378777776), (2, 189388888), (4, 94694444), (8, 47347222), (13, 29136752), (16, 23673611), (26, 14568376), (52, 7284188), (104, 3642094), (208, 1821047), (1223, 309712), (1489, 254384), (2446, 154856), (2978, 127192), (4892, 77428), (5956, 63596), (9784, 38714), (11912, 31798), (15899, 23824), (19357, 19568)]