86721845

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6337}}^1$

素因数の和:6389

約数の個数: 32

約数和(自身を含む): 131424768

約数和(自身を除く): 44702923

約数列:

[1, 5, 7, 17, 23, 35, 85, 115, 119, 161, 391, 595, 805, 1955, 2737, 6337, 13685, 31685, 44359, 107729, 145751, 221795, 538645, 728755, 754103, 1020257, 2477767, 3770515, 5101285, 12388835, 17344369, 86721845]

約数ペア:

[(1, 86721845), (5, 17344369), (7, 12388835), (17, 5101285), (23, 3770515), (35, 2477767), (85, 1020257), (115, 754103), (119, 728755), (161, 538645), (391, 221795), (595, 145751), (805, 107729), (1955, 44359), (2737, 31685), (6337, 13685)]