81678244

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{2473}}^1$

素因数の和:2859

約数の個数: 24

約数和(自身を含む): 149627520

約数和(自身を除く): 67949276

約数列:

[1, 2, 4, 23, 46, 92, 359, 718, 1436, 2473, 4946, 8257, 9892, 16514, 33028, 56879, 113758, 227516, 887807, 1775614, 3551228, 20419561, 40839122, 81678244]

約数ペア:

[(1, 81678244), (2, 40839122), (4, 20419561), (23, 3551228), (46, 1775614), (92, 887807), (359, 227516), (718, 113758), (1436, 56879), (2473, 33028), (4946, 16514), (8257, 9892)]