2648296975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 3534148800

約数和(自身を除く): 885851825

約数列:

[1, 5, 17, 25, 85, 173, 181, 199, 425, 865, 905, 995, 2941, 3077, 3383, 4325, 4525, 4975, 14705, 15385, 16915, 31313, 34427, 36019, 73525, 76925, 84575, 156565, 172135, 180095, 532321, 585259, 612323, 782825, 860675, 900475, 2661605, 2926295, 3061615, 6231287, 13308025, 14631475, 15308075, 31156435, 105931879, 155782175, 529659395, 2648296975]

約数ペア:

[(1, 2648296975), (5, 529659395), (17, 155782175), (25, 105931879), (85, 31156435), (173, 15308075), (181, 14631475), (199, 13308025), (425, 6231287), (865, 3061615), (905, 2926295), (995, 2661605), (2941, 900475), (3077, 860675), (3383, 782825), (4325, 612323), (4525, 585259), (4975, 532321), (14705, 180095), (15385, 172135), (16915, 156565), (31313, 84575), (34427, 76925), (36019, 73525)]