138880912

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{104579}}^1$

素因数の和:104670

約数の個数: 20

約数和(自身を含む): 272326320

約数和(自身を除く): 133445408

約数列:

[1, 2, 4, 8, 16, 83, 166, 332, 664, 1328, 104579, 209158, 418316, 836632, 1673264, 8680057, 17360114, 34720228, 69440456, 138880912]

約数ペア:

[(1, 138880912), (2, 69440456), (4, 34720228), (8, 17360114), (16, 8680057), (83, 1673264), (166, 836632), (332, 418316), (664, 209158), (1328, 104579)]