28386554

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 51148800

約数和(自身を除く): 22762246

約数列:

[1, 2, 7, 14, 23, 46, 161, 199, 322, 398, 443, 886, 1393, 2786, 3101, 4577, 6202, 9154, 10189, 20378, 32039, 64078, 71323, 88157, 142646, 176314, 617099, 1234198, 2027611, 4055222, 14193277, 28386554]

約数ペア:

[(1, 28386554), (2, 14193277), (7, 4055222), (14, 2027611), (23, 1234198), (46, 617099), (161, 176314), (199, 142646), (322, 88157), (398, 71323), (443, 64078), (886, 32039), (1393, 20378), (2786, 10189), (3101, 9154), (4577, 6202)]