67278328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{1663}}^1$

素因数の和:2071

約数の個数: 32

約数和(自身を含む): 136281600

約数和(自身を除く): 69003272

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 389, 778, 1556, 1663, 3112, 3326, 5057, 6652, 10114, 13304, 20228, 21619, 40456, 43238, 86476, 172952, 646907, 1293814, 2587628, 5175256, 8409791, 16819582, 33639164, 67278328]

約数ペア:

[(1, 67278328), (2, 33639164), (4, 16819582), (8, 8409791), (13, 5175256), (26, 2587628), (52, 1293814), (104, 646907), (389, 172952), (778, 86476), (1556, 43238), (1663, 40456), (3112, 21619), (3326, 20228), (5057, 13304), (6652, 10114)]