207901474

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{19979}}^1$

素因数の和:20046

約数の個数: 24

約数和(自身を含む): 350768880

約数和(自身を除く): 142867406

約数列:

[1, 2, 11, 22, 43, 86, 121, 242, 473, 946, 5203, 10406, 19979, 39958, 219769, 439538, 859097, 1718194, 2417459, 4834918, 9450067, 18900134, 103950737, 207901474]

約数ペア:

[(1, 207901474), (2, 103950737), (11, 18900134), (22, 9450067), (43, 4834918), (86, 2417459), (121, 1718194), (242, 859097), (473, 439538), (946, 219769), (5203, 39958), (10406, 19979)]