81521968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{479}}^1\times {\mathrm{967}}^1$

素因数の和:1465

約数の個数: 40

約数和(自身を含む): 172846080

約数和(自身を除く): 91324112

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 479, 958, 967, 1916, 1934, 3832, 3868, 5269, 7664, 7736, 10538, 10637, 15472, 21076, 21274, 42152, 42548, 84304, 85096, 170192, 463193, 926386, 1852772, 3705544, 5095123, 7411088, 10190246, 20380492, 40760984, 81521968]

約数ペア:

[(1, 81521968), (2, 40760984), (4, 20380492), (8, 10190246), (11, 7411088), (16, 5095123), (22, 3705544), (44, 1852772), (88, 926386), (176, 463193), (479, 170192), (958, 85096), (967, 84304), (1916, 42548), (1934, 42152), (3832, 21274), (3868, 21076), (5269, 15472), (7664, 10637), (7736, 10538)]