131888478

素因数分解:

$2^1\times 3^1\times {\mathrm{157}}^1\times {\mathrm{140009}}^1$

素因数の和:140171

約数の個数: 16

約数和(自身を含む): 265458960

約数和(自身を除く): 133570482

約数列:

[1, 2, 3, 6, 157, 314, 471, 942, 140009, 280018, 420027, 840054, 21981413, 43962826, 65944239, 131888478]

約数ペア:

[(1, 131888478), (2, 65944239), (3, 43962826), (6, 21981413), (157, 840054), (314, 420027), (471, 280018), (942, 140009)]