128384452

素因数分解:

$2^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{23041}}^1$

素因数の和:23251

約数の個数: 24

約数和(自身を含む): 258070400

約数和(自身を除く): 129685948

約数列:

[1, 2, 4, 7, 14, 28, 199, 398, 796, 1393, 2786, 5572, 23041, 46082, 92164, 161287, 322574, 645148, 4585159, 9170318, 18340636, 32096113, 64192226, 128384452]

約数ペア:

[(1, 128384452), (2, 64192226), (4, 32096113), (7, 18340636), (14, 9170318), (28, 4585159), (199, 645148), (398, 322574), (796, 161287), (1393, 92164), (2786, 46082), (5572, 23041)]