520017845

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1\times {\mathrm{433}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 674956800

約数和(自身を除く): 154938955

約数列:

[1, 5, 17, 71, 85, 199, 355, 433, 995, 1207, 2165, 3383, 6035, 7361, 14129, 16915, 30743, 36805, 70645, 86167, 153715, 240193, 430835, 522631, 1200965, 1464839, 2613155, 6117857, 7324195, 30589285, 104003569, 520017845]

約数ペア:

[(1, 520017845), (5, 104003569), (17, 30589285), (71, 7324195), (85, 6117857), (199, 2613155), (355, 1464839), (433, 1200965), (995, 522631), (1207, 430835), (2165, 240193), (3383, 153715), (6035, 86167), (7361, 70645), (14129, 36805), (16915, 30743)]