128743496

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{74161}}^1$

素因数の和:74205

約数の個数: 32

約数和(自身を含む): 284782080

約数和(自身を除く): 156038584

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 74161, 148322, 296644, 519127, 593288, 1038254, 2076508, 2298991, 4153016, 4597982, 9195964, 16092937, 18391928, 32185874, 64371748, 128743496]

約数ペア:

[(1, 128743496), (2, 64371748), (4, 32185874), (7, 18391928), (8, 16092937), (14, 9195964), (28, 4597982), (31, 4153016), (56, 2298991), (62, 2076508), (124, 1038254), (217, 593288), (248, 519127), (434, 296644), (868, 148322), (1736, 74161)]