51316727

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 68428800

約数和(自身を除く): 17112073

約数列:

[1, 7, 11, 17, 77, 119, 187, 197, 199, 1309, 1379, 1393, 2167, 2189, 3349, 3383, 15169, 15323, 23443, 23681, 36839, 37213, 39203, 257873, 260491, 274421, 431233, 666451, 3018631, 4665157, 7330961, 51316727]

約数ペア:

[(1, 51316727), (7, 7330961), (11, 4665157), (17, 3018631), (77, 666451), (119, 431233), (187, 274421), (197, 260491), (199, 257873), (1309, 39203), (1379, 37213), (1393, 36839), (2167, 23681), (2189, 23443), (3349, 15323), (3383, 15169)]