206989904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{8461}}^1$

素因数の和:8619

約数の個数: 40

約数和(自身を含む): 440700960

約数和(自身を除く): 233711056

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 139, 176, 278, 556, 1112, 1529, 2224, 3058, 6116, 8461, 12232, 16922, 24464, 33844, 67688, 93071, 135376, 186142, 372284, 744568, 1176079, 1489136, 2352158, 4704316, 9408632, 12936869, 18817264, 25873738, 51747476, 103494952, 206989904]

約数ペア:

[(1, 206989904), (2, 103494952), (4, 51747476), (8, 25873738), (11, 18817264), (16, 12936869), (22, 9408632), (44, 4704316), (88, 2352158), (139, 1489136), (176, 1176079), (278, 744568), (556, 372284), (1112, 186142), (1529, 135376), (2224, 93071), (3058, 67688), (6116, 33844), (8461, 24464), (12232, 16922)]