219628738

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{2543}}^1$

素因数の和:2782

約数の個数: 32

約数和(自身を含む): 390758400

約数和(自身を除く): 171129662

約数列:

[1, 2, 7, 14, 31, 62, 199, 217, 398, 434, 1393, 2543, 2786, 5086, 6169, 12338, 17801, 35602, 43183, 78833, 86366, 157666, 506057, 551831, 1012114, 1103662, 3542399, 7084798, 15687767, 31375534, 109814369, 219628738]

約数ペア:

[(1, 219628738), (2, 109814369), (7, 31375534), (14, 15687767), (31, 7084798), (62, 3542399), (199, 1103662), (217, 1012114), (398, 551831), (434, 506057), (1393, 157666), (2543, 86366), (2786, 78833), (5086, 43183), (6169, 35602), (12338, 17801)]