142990237

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 165473280

約数和(自身を除く): 22483043

約数列:

[1, 13, 37, 53, 71, 79, 481, 689, 923, 1027, 1961, 2627, 2923, 3763, 4187, 5609, 25493, 34151, 37999, 48919, 54431, 72917, 139231, 154919, 207533, 297277, 1810003, 2013947, 2697929, 3864601, 10999249, 142990237]

約数ペア:

[(1, 142990237), (13, 10999249), (37, 3864601), (53, 2697929), (71, 2013947), (79, 1810003), (481, 297277), (689, 207533), (923, 154919), (1027, 139231), (1961, 72917), (2627, 54431), (2923, 48919), (3763, 37999), (4187, 34151), (5609, 25493)]