388655792

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{182639}}^1$

素因数の和:182673

約数の個数: 40

約数和(自身を含む): 905894400

約数和(自身を除く): 517238608

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 182639, 365278, 730556, 1278473, 1461112, 2556946, 2922224, 3470141, 5113892, 6940282, 10227784, 13880564, 20455568, 24290987, 27761128, 48581974, 55522256, 97163948, 194327896, 388655792]

約数ペア:

[(1, 388655792), (2, 194327896), (4, 97163948), (7, 55522256), (8, 48581974), (14, 27761128), (16, 24290987), (19, 20455568), (28, 13880564), (38, 10227784), (56, 6940282), (76, 5113892), (112, 3470141), (133, 2922224), (152, 2556946), (266, 1461112), (304, 1278473), (532, 730556), (1064, 365278), (2128, 182639)]