212967986

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^4\times {\mathrm{1039}}^1$

素因数の和:1092

約数の個数: 40

約数和(自身を含む): 401980800

約数和(自身を除く): 189012814

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1039, 1331, 1694, 2078, 2662, 7273, 9317, 11429, 14546, 14641, 18634, 22858, 29282, 80003, 102487, 125719, 160006, 204974, 251438, 880033, 1382909, 1760066, 2765818, 9680363, 15211999, 19360726, 30423998, 106483993, 212967986]

約数ペア:

[(1, 212967986), (2, 106483993), (7, 30423998), (11, 19360726), (14, 15211999), (22, 9680363), (77, 2765818), (121, 1760066), (154, 1382909), (242, 880033), (847, 251438), (1039, 204974), (1331, 160006), (1694, 125719), (2078, 102487), (2662, 80003), (7273, 29282), (9317, 22858), (11429, 18634), (14546, 14641)]