201990021104

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{1123}}^1\times {\mathrm{50411}}^1$

素因数の和:51765

約数の個数: 40

約数和(自身を含む): 393468483072

約数和(自身を除く): 191478461968

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1123, 1784, 2246, 3568, 4492, 8984, 17968, 50411, 100822, 201644, 250429, 403288, 500858, 806576, 1001716, 2003432, 4006864, 11241653, 22483306, 44966612, 56611553, 89933224, 113223106, 179866448, 226446212, 452892424, 905784848, 12624376319, 25248752638, 50497505276, 100995010552, 201990021104]

約数ペア:

[(1, 201990021104), (2, 100995010552), (4, 50497505276), (8, 25248752638), (16, 12624376319), (223, 905784848), (446, 452892424), (892, 226446212), (1123, 179866448), (1784, 113223106), (2246, 89933224), (3568, 56611553), (4492, 44966612), (8984, 22483306), (17968, 11241653), (50411, 4006864), (100822, 2003432), (201644, 1001716), (250429, 806576), (403288, 500858)]