209965276

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{1039}}^1\times {\mathrm{2659}}^1$

素因数の和:3721

約数の個数: 24

約数和(自身を含む): 387296000

約数和(自身を除く): 177330724

約数列:

[1, 2, 4, 19, 38, 76, 1039, 2078, 2659, 4156, 5318, 10636, 19741, 39482, 50521, 78964, 101042, 202084, 2762701, 5525402, 11050804, 52491319, 104982638, 209965276]

約数ペア:

[(1, 209965276), (2, 104982638), (4, 52491319), (19, 11050804), (38, 5525402), (76, 2762701), (1039, 202084), (2078, 101042), (2659, 78964), (4156, 50521), (5318, 39482), (10636, 19741)]