1980717844

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{11467}}^1$

素因数の和:11708

約数の個数: 48

約数和(自身を含む): 4110131200

約数和(自身を除く): 2129413356

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 199, 217, 398, 434, 796, 868, 1393, 2786, 5572, 6169, 11467, 12338, 22934, 24676, 43183, 45868, 80269, 86366, 160538, 172732, 321076, 355477, 710954, 1421908, 2281933, 2488339, 4563866, 4976678, 9127732, 9953356, 15973531, 31947062, 63894124, 70739923, 141479846, 282959692, 495179461, 990358922, 1980717844]

約数ペア:

[(1, 1980717844), (2, 990358922), (4, 495179461), (7, 282959692), (14, 141479846), (28, 70739923), (31, 63894124), (62, 31947062), (124, 15973531), (199, 9953356), (217, 9127732), (398, 4976678), (434, 4563866), (796, 2488339), (868, 2281933), (1393, 1421908), (2786, 710954), (5572, 355477), (6169, 321076), (11467, 172732), (12338, 160538), (22934, 86366), (24676, 80269), (43183, 45868)]