2049664565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{444131}}^1$

素因数の和:444220

約数の個数: 16

約数和(自身を含む): 2686110336

約数和(自身を除く): 636445771

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 444131, 2220655, 5773703, 28868515, 31533301, 157666505, 409932913, 2049664565]

約数ペア:

[(1, 2049664565), (5, 409932913), (13, 157666505), (65, 31533301), (71, 28868515), (355, 5773703), (923, 2220655), (4615, 444131)]