28018205

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{971}}^1$

素因数の和:1204

約数の個数: 16

約数和(自身を含む): 34992000

約数和(自身を除く): 6973795

約数列:

[1, 5, 29, 145, 199, 971, 995, 4855, 5771, 28159, 28855, 140795, 193229, 966145, 5603641, 28018205]

約数ペア:

[(1, 28018205), (5, 5603641), (29, 966145), (145, 193229), (199, 140795), (971, 28855), (995, 28159), (4855, 5771)]