638194576

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{11953}}^1$

素因数の和:12079

約数の個数: 40

約数和(自身を含む): 1280703744

約数和(自身を除く): 642509168

約数列:

[1, 2, 4, 8, 16, 47, 71, 94, 142, 188, 284, 376, 568, 752, 1136, 3337, 6674, 11953, 13348, 23906, 26696, 47812, 53392, 95624, 191248, 561791, 848663, 1123582, 1697326, 2247164, 3394652, 4494328, 6789304, 8988656, 13578608, 39887161, 79774322, 159548644, 319097288, 638194576]

約数ペア:

[(1, 638194576), (2, 319097288), (4, 159548644), (8, 79774322), (16, 39887161), (47, 13578608), (71, 8988656), (94, 6789304), (142, 4494328), (188, 3394652), (284, 2247164), (376, 1697326), (568, 1123582), (752, 848663), (1136, 561791), (3337, 191248), (6674, 95624), (11953, 53392), (13348, 47812), (23906, 26696)]