389969492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{239539}}^1$

素因数の和:239591

約数の個数: 24

約数和(自身を含む): 764611680

約数和(自身を除く): 374642188

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 239539, 479078, 958156, 2634929, 5269858, 8862943, 10539716, 17725886, 35451772, 97492373, 194984746, 389969492]

約数ペア:

[(1, 389969492), (2, 194984746), (4, 97492373), (11, 35451772), (22, 17725886), (37, 10539716), (44, 8862943), (74, 5269858), (148, 2634929), (407, 958156), (814, 479078), (1628, 239539)]