205687568

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{181063}}^1$

素因数の和:181142

約数の個数: 20

約数和(自身を含む): 404134848

約数和(自身を除く): 198447280

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 181063, 362126, 724252, 1448504, 2897008, 12855473, 25710946, 51421892, 102843784, 205687568]

約数ペア:

[(1, 205687568), (2, 102843784), (4, 51421892), (8, 25710946), (16, 12855473), (71, 2897008), (142, 1448504), (284, 724252), (568, 362126), (1136, 181063)]