399551432

素因数分解:

$2^3\times 7^1\times {\mathrm{367}}^1\times {\mathrm{19441}}^1$

素因数の和:19821

約数の個数: 32

約数和(自身を含む): 858558720

約数和(自身を除く): 459007288

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 367, 734, 1468, 2569, 2936, 5138, 10276, 19441, 20552, 38882, 77764, 136087, 155528, 272174, 544348, 1088696, 7134847, 14269694, 28539388, 49943929, 57078776, 99887858, 199775716, 399551432]

約数ペア:

[(1, 399551432), (2, 199775716), (4, 99887858), (7, 57078776), (8, 49943929), (14, 28539388), (28, 14269694), (56, 7134847), (367, 1088696), (734, 544348), (1468, 272174), (2569, 155528), (2936, 136087), (5138, 77764), (10276, 38882), (19441, 20552)]