28647698690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{16951301}}^1$

素因数の和:16951334

約数の個数: 24

約数和(自身を含む): 55837588788

約数和(自身を除く): 27189890098

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 16951301, 33902602, 84756505, 169513010, 220366913, 440733826, 1101834565, 2203669130, 2864769869, 5729539738, 14323849345, 28647698690]

約数ペア:

[(1, 28647698690), (2, 14323849345), (5, 5729539738), (10, 2864769869), (13, 2203669130), (26, 1101834565), (65, 440733826), (130, 220366913), (169, 169513010), (338, 84756505), (845, 33902602), (1690, 16951301)]