289656496

素因数分解:

$2^4\times {\mathrm{823}}^1\times {\mathrm{21997}}^1$

素因数の和:22828

約数の個数: 20

約数和(自身を含む): 561916912

約数和(自身を除く): 272260416

約数列:

[1, 2, 4, 8, 16, 823, 1646, 3292, 6584, 13168, 21997, 43994, 87988, 175976, 351952, 18103531, 36207062, 72414124, 144828248, 289656496]

約数ペア:

[(1, 289656496), (2, 144828248), (4, 72414124), (8, 36207062), (16, 18103531), (823, 351952), (1646, 175976), (3292, 87988), (6584, 43994), (13168, 21997)]