2019907378385

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{1916939}}^1$

素因数の和:1917042

約数の個数: 48

約数和(自身を含む): 2778336158400

約数和(自身を除く): 758428780015

約数列:

[1, 5, 13, 29, 43, 65, 145, 169, 215, 377, 559, 845, 1247, 1885, 2795, 4901, 6235, 7267, 16211, 24505, 36335, 81055, 210743, 1053715, 1916939, 9584695, 24920207, 55591231, 82428377, 124601035, 277956155, 323962691, 412141885, 722686003, 1071568901, 1619813455, 2390422933, 3613430015, 5357844505, 9394918039, 11952114665, 13930395713, 31075498129, 46974590195, 69651978565, 155377490645, 403981475677, 2019907378385]

約数ペア:

[(1, 2019907378385), (5, 403981475677), (13, 155377490645), (29, 69651978565), (43, 46974590195), (65, 31075498129), (145, 13930395713), (169, 11952114665), (215, 9394918039), (377, 5357844505), (559, 3613430015), (845, 2390422933), (1247, 1619813455), (1885, 1071568901), (2795, 722686003), (4901, 412141885), (6235, 323962691), (7267, 277956155), (16211, 124601035), (24505, 82428377), (36335, 55591231), (81055, 24920207), (210743, 9584695), (1053715, 1916939)]