258820990

素因数分解:

$2^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{81647}}^1$

素因数の和:81971

約数の個数: 16

約数和(自身を含む): 467353152

約数和(自身を除く): 208532162

約数列:

[1, 2, 5, 10, 317, 634, 1585, 3170, 81647, 163294, 408235, 816470, 25882099, 51764198, 129410495, 258820990]

約数ペア:

[(1, 258820990), (2, 129410495), (5, 51764198), (10, 25882099), (317, 816470), (634, 408235), (1585, 163294), (3170, 81647)]