2561878424

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1063903}}^1$

素因数の和:1063959

約数の個数: 32

約数和(自身を含む): 5617413120

約数和(自身を除く): 3055534696

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 1063903, 2127806, 4255612, 7447321, 8511224, 14894642, 29789284, 45747829, 59578568, 91495658, 182991316, 320234803, 365982632, 640469606, 1280939212, 2561878424]

約数ペア:

[(1, 2561878424), (2, 1280939212), (4, 640469606), (7, 365982632), (8, 320234803), (14, 182991316), (28, 91495658), (43, 59578568), (56, 45747829), (86, 29789284), (172, 14894642), (301, 8511224), (344, 7447321), (602, 4255612), (1204, 2127806), (2408, 1063903)]