213865904

素因数分解:

$2^4\times 7^1\times {\mathrm{103}}^1\times {\mathrm{18539}}^1$

素因数の和:18657

約数の個数: 40

約数和(自身を含む): 478183680

約数和(自身を除く): 264317776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 103, 112, 206, 412, 721, 824, 1442, 1648, 2884, 5768, 11536, 18539, 37078, 74156, 129773, 148312, 259546, 296624, 519092, 1038184, 1909517, 2076368, 3819034, 7638068, 13366619, 15276136, 26733238, 30552272, 53466476, 106932952, 213865904]

約数ペア:

[(1, 213865904), (2, 106932952), (4, 53466476), (7, 30552272), (8, 26733238), (14, 15276136), (16, 13366619), (28, 7638068), (56, 3819034), (103, 2076368), (112, 1909517), (206, 1038184), (412, 519092), (721, 296624), (824, 259546), (1442, 148312), (1648, 129773), (2884, 74156), (5768, 37078), (11536, 18539)]