2215661168

素因数分解:

$2^4\times 7^1\times {\mathrm{19782689}}^1$

素因数の和:19782704

約数の個数: 20

約数和(自身を含む): 4906107120

約数和(自身を除く): 2690445952

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 19782689, 39565378, 79130756, 138478823, 158261512, 276957646, 316523024, 553915292, 1107830584, 2215661168]

約数ペア:

[(1, 2215661168), (2, 1107830584), (4, 553915292), (7, 316523024), (8, 276957646), (14, 158261512), (16, 138478823), (28, 79130756), (56, 39565378), (112, 19782689)]