199980968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{16349}}^1$

素因数の和:16505

約数の個数: 32

約数和(自身を含む): 412020000

約数和(自身を除く): 212039032

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 139, 278, 556, 1112, 1529, 3058, 6116, 12232, 16349, 32698, 65396, 130792, 179839, 359678, 719356, 1438712, 2272511, 4545022, 9090044, 18180088, 24997621, 49995242, 99990484, 199980968]

約数ペア:

[(1, 199980968), (2, 99990484), (4, 49995242), (8, 24997621), (11, 18180088), (22, 9090044), (44, 4545022), (88, 2272511), (139, 1438712), (278, 719356), (556, 359678), (1112, 179839), (1529, 130792), (3058, 65396), (6116, 32698), (12232, 16349)]