128264156962

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1\times {\mathrm{22171}}^1$

素因数の和:22686

約数の個数: 32

約数和(自身を含む): 197236435968

約数和(自身を除く): 68972279006

約数列:

[1, 2, 71, 131, 142, 262, 311, 622, 9301, 18602, 22081, 22171, 40741, 44162, 44342, 81482, 1574141, 2892611, 2904401, 3148282, 5785222, 5808802, 6895181, 13790362, 206212471, 412424942, 489557851, 903268711, 979115702, 1806537422, 64132078481, 128264156962]

約数ペア:

[(1, 128264156962), (2, 64132078481), (71, 1806537422), (131, 979115702), (142, 903268711), (262, 489557851), (311, 412424942), (622, 206212471), (9301, 13790362), (18602, 6895181), (22081, 5808802), (22171, 5785222), (40741, 3148282), (44162, 2904401), (44342, 2892611), (81482, 1574141)]