1281291242

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8320073}}^1$

素因数の和:8320093

約数の個数: 16

約数和(自身を含む): 2396181312

約数和(自身を除く): 1114890070

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 8320073, 16640146, 58240511, 91520803, 116481022, 183041606, 640645621, 1281291242]

約数ペア:

[(1, 1281291242), (2, 640645621), (7, 183041606), (11, 116481022), (14, 91520803), (22, 58240511), (77, 16640146), (154, 8320073)]