205504144

素因数分解:

$2^4\times {\mathrm{1151}}^1\times {\mathrm{11159}}^1$

素因数の和:12318

約数の個数: 20

約数和(自身を含む): 398545920

約数和(自身を除く): 193041776

約数列:

[1, 2, 4, 8, 16, 1151, 2302, 4604, 9208, 11159, 18416, 22318, 44636, 89272, 178544, 12844009, 25688018, 51376036, 102752072, 205504144]

約数ペア:

[(1, 205504144), (2, 102752072), (4, 51376036), (8, 25688018), (16, 12844009), (1151, 178544), (2302, 89272), (4604, 44636), (9208, 22318), (11159, 18416)]