289983170

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{408427}}^1$

素因数の和:408505

約数の個数: 16

約数和(自身を含む): 529322688

約数和(自身を除く): 239339518

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 408427, 816854, 2042135, 4084270, 28998317, 57996634, 144991585, 289983170]

約数ペア:

[(1, 289983170), (2, 144991585), (5, 57996634), (10, 28998317), (71, 4084270), (142, 2042135), (355, 816854), (710, 408427)]