86690212

素因数分解:

$2^2\times 7^2\times {\mathrm{257}}^1\times {\mathrm{1721}}^1$

素因数の和:1996

約数の個数: 36

約数和(自身を含む): 177266124

約数和(自身を除く): 90575912

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 257, 514, 1028, 1721, 1799, 3442, 3598, 6884, 7196, 12047, 12593, 24094, 25186, 48188, 50372, 84329, 168658, 337316, 442297, 884594, 1769188, 3096079, 6192158, 12384316, 21672553, 43345106, 86690212]

約数ペア:

[(1, 86690212), (2, 43345106), (4, 21672553), (7, 12384316), (14, 6192158), (28, 3096079), (49, 1769188), (98, 884594), (196, 442297), (257, 337316), (514, 168658), (1028, 84329), (1721, 50372), (1799, 48188), (3442, 25186), (3598, 24094), (6884, 12593), (7196, 12047)]