389715458

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{290399}}^1$

素因数の和:290473

約数の個数: 16

約数和(自身を含む): 648172800

約数和(自身を除く): 258457342

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 290399, 580798, 3194389, 6388778, 17714339, 35428678, 194857729, 389715458]

約数ペア:

[(1, 389715458), (2, 194857729), (11, 35428678), (22, 17714339), (61, 6388778), (122, 3194389), (671, 580798), (1342, 290399)]