131201072

素因数分解:

$2^4\times {\mathrm{499}}^1\times {\mathrm{16433}}^1$

素因数の和:16940

約数の個数: 20

約数和(自身を含む): 254727000

約数和(自身を除く): 123525928

約数列:

[1, 2, 4, 8, 16, 499, 998, 1996, 3992, 7984, 16433, 32866, 65732, 131464, 262928, 8200067, 16400134, 32800268, 65600536, 131201072]

約数ペア:

[(1, 131201072), (2, 65600536), (4, 32800268), (8, 16400134), (16, 8200067), (499, 262928), (998, 131464), (1996, 65732), (3992, 32866), (7984, 16433)]