8991085

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:169

約数の個数: 32

約数和(自身を含む): 12165120

約数和(自身を除く): 3174035

約数列:

[1, 5, 19, 31, 43, 71, 95, 155, 215, 355, 589, 817, 1333, 1349, 2201, 2945, 3053, 4085, 6665, 6745, 11005, 15265, 25327, 41819, 58007, 94643, 126635, 209095, 290035, 473215, 1798217, 8991085]

約数ペア:

[(1, 8991085), (5, 1798217), (19, 473215), (31, 290035), (43, 209095), (71, 126635), (95, 94643), (155, 58007), (215, 41819), (355, 25327), (589, 15265), (817, 11005), (1333, 6745), (1349, 6665), (2201, 4085), (2945, 3053)]