388584878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{28081}}^1$

素因数の和:28148

約数の個数: 32

約数和(自身を含む): 691491168

約数和(自身を除く): 302906290

約数列:

[1, 2, 11, 17, 22, 34, 37, 74, 187, 374, 407, 629, 814, 1258, 6919, 13838, 28081, 56162, 308891, 477377, 617782, 954754, 1038997, 2077994, 5251147, 10502294, 11428967, 17662949, 22857934, 35325898, 194292439, 388584878]

約数ペア:

[(1, 388584878), (2, 194292439), (11, 35325898), (17, 22857934), (22, 17662949), (34, 11428967), (37, 10502294), (74, 5251147), (187, 2077994), (374, 1038997), (407, 954754), (629, 617782), (814, 477377), (1258, 308891), (6919, 56162), (13838, 28081)]