28965161425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{199}}^2\times {\mathrm{1721}}^1$

素因数の和:2146

約数の個数: 36

約数和(自身を含む): 38243825676

約数和(自身を除く): 9278664251

約数列:

[1, 5, 17, 25, 85, 199, 425, 995, 1721, 3383, 4975, 8605, 16915, 29257, 39601, 43025, 84575, 146285, 198005, 342479, 673217, 731425, 990025, 1712395, 3366085, 5822143, 8561975, 16830425, 29110715, 68153321, 145553575, 340766605, 1158606457, 1703833025, 5793032285, 28965161425]

約数ペア:

[(1, 28965161425), (5, 5793032285), (17, 1703833025), (25, 1158606457), (85, 340766605), (199, 145553575), (425, 68153321), (995, 29110715), (1721, 16830425), (3383, 8561975), (4975, 5822143), (8605, 3366085), (16915, 1712395), (29257, 990025), (39601, 731425), (43025, 673217), (84575, 342479), (146285, 198005)]