28907735

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{1709}}^1$

素因数の和:1930

約数の個数: 16

約数和(自身を含む): 36936000

約数和(自身を除く): 8028265

約数列:

[1, 5, 17, 85, 199, 995, 1709, 3383, 8545, 16915, 29053, 145265, 340091, 1700455, 5781547, 28907735]

約数ペア:

[(1, 28907735), (5, 5781547), (17, 1700455), (85, 340091), (199, 145265), (995, 29053), (1709, 16915), (3383, 8545)]