81131332

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{349}}^1\times {\mathrm{653}}^1$

素因数の和:1095

約数の個数: 24

約数和(自身を含む): 144207000

約数和(自身を除く): 63075668

約数列:

[1, 2, 4, 89, 178, 349, 356, 653, 698, 1306, 1396, 2612, 31061, 58117, 62122, 116234, 124244, 227897, 232468, 455794, 911588, 20282833, 40565666, 81131332]

約数ペア:

[(1, 81131332), (2, 40565666), (4, 20282833), (89, 911588), (178, 455794), (349, 232468), (356, 227897), (653, 124244), (698, 116234), (1306, 62122), (1396, 58117), (2612, 31061)]