80986412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{3923}}^1$

素因数の和:4337

約数の個数: 24

約数和(自身を含む): 153051696

約数和(自身を除く): 72065284

約数列:

[1, 2, 4, 13, 26, 52, 397, 794, 1588, 3923, 5161, 7846, 10322, 15692, 20644, 50999, 101998, 203996, 1557431, 3114862, 6229724, 20246603, 40493206, 80986412]

約数ペア:

[(1, 80986412), (2, 40493206), (4, 20246603), (13, 6229724), (26, 3114862), (52, 1557431), (397, 203996), (794, 101998), (1588, 50999), (3923, 20644), (5161, 15692), (7846, 10322)]