390324872

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{65141}}^1$

素因数の和:65261

約数の個数: 32

約数和(自身を含む): 844240320

約数和(自身を除く): 453915448

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 428, 749, 856, 1498, 2996, 5992, 65141, 130282, 260564, 455987, 521128, 911974, 1823948, 3647896, 6970087, 13940174, 27880348, 48790609, 55760696, 97581218, 195162436, 390324872]

約数ペア:

[(1, 390324872), (2, 195162436), (4, 97581218), (7, 55760696), (8, 48790609), (14, 27880348), (28, 13940174), (56, 6970087), (107, 3647896), (214, 1823948), (428, 911974), (749, 521128), (856, 455987), (1498, 260564), (2996, 130282), (5992, 65141)]