81109798

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1123}}^1$

素因数の和:1217

約数の個数: 48

約数和(自身を含む): 156838464

約数和(自身を除く): 75728666

約数列:

[1, 2, 7, 11, 14, 22, 49, 67, 77, 98, 134, 154, 469, 539, 737, 938, 1078, 1123, 1474, 2246, 3283, 5159, 6566, 7861, 10318, 12353, 15722, 24706, 36113, 55027, 72226, 75241, 86471, 110054, 150482, 172942, 526687, 605297, 827651, 1053374, 1210594, 1655302, 3686809, 5793557, 7373618, 11587114, 40554899, 81109798]

約数ペア:

[(1, 81109798), (2, 40554899), (7, 11587114), (11, 7373618), (14, 5793557), (22, 3686809), (49, 1655302), (67, 1210594), (77, 1053374), (98, 827651), (134, 605297), (154, 526687), (469, 172942), (539, 150482), (737, 110054), (938, 86471), (1078, 75241), (1123, 72226), (1474, 55027), (2246, 36113), (3283, 24706), (5159, 15722), (6566, 12353), (7861, 10318)]