81421648

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{66089}}^1$

素因数の和:66115

約数の個数: 40

約数和(自身を含む): 196683840

約数和(自身を除く): 115262192

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 66089, 132178, 264356, 462623, 528712, 726979, 925246, 1057424, 1453958, 1850492, 2907916, 3700984, 5088853, 5815832, 7401968, 10177706, 11631664, 20355412, 40710824, 81421648]

約数ペア:

[(1, 81421648), (2, 40710824), (4, 20355412), (7, 11631664), (8, 10177706), (11, 7401968), (14, 5815832), (16, 5088853), (22, 3700984), (28, 2907916), (44, 1850492), (56, 1453958), (77, 1057424), (88, 925246), (112, 726979), (154, 528712), (176, 462623), (308, 264356), (616, 132178), (1232, 66089)]