142884976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{686947}}^1$

素因数の和:686968

約数の個数: 20

約数和(自身を含む): 298135432

約数和(自身を除く): 155250456

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 686947, 1373894, 2747788, 5495576, 8930311, 10991152, 17860622, 35721244, 71442488, 142884976]

約数ペア:

[(1, 142884976), (2, 71442488), (4, 35721244), (8, 17860622), (13, 10991152), (16, 8930311), (26, 5495576), (52, 2747788), (104, 1373894), (208, 686947)]