287102704

素因数分解:

$2^4\times 7^1\times {\mathrm{2563417}}^1$

素因数の和:2563432

約数の個数: 20

約数和(自身を含む): 635727664

約数和(自身を除く): 348624960

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2563417, 5126834, 10253668, 17943919, 20507336, 35887838, 41014672, 71775676, 143551352, 287102704]

約数ペア:

[(1, 287102704), (2, 143551352), (4, 71775676), (7, 41014672), (8, 35887838), (14, 20507336), (16, 17943919), (28, 10253668), (56, 5126834), (112, 2563417)]