28340455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{3049}}^1$

素因数の和:3091

約数の個数: 24

約数和(自身を含む): 40186800

約数和(自身を除く): 11846345

約数列:

[1, 5, 11, 13, 55, 65, 143, 169, 715, 845, 1859, 3049, 9295, 15245, 33539, 39637, 167695, 198185, 436007, 515281, 2180035, 2576405, 5668091, 28340455]

約数ペア:

[(1, 28340455), (5, 5668091), (11, 2576405), (13, 2180035), (55, 515281), (65, 436007), (143, 198185), (169, 167695), (715, 39637), (845, 33539), (1859, 15245), (3049, 9295)]