1964921855

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{8821}}^1$

素因数の和:9011

約数の個数: 32

約数和(自身を含む): 2667772800

約数和(自身を除く): 702850945

約数列:

[1, 5, 13, 23, 65, 115, 149, 299, 745, 1495, 1937, 3427, 8821, 9685, 17135, 44105, 44551, 114673, 202883, 222755, 573365, 1014415, 1314329, 2637479, 6571645, 13187395, 17086277, 30229567, 85431385, 151147835, 392984371, 1964921855]

約数ペア:

[(1, 1964921855), (5, 392984371), (13, 151147835), (23, 85431385), (65, 30229567), (115, 17086277), (149, 13187395), (299, 6571645), (745, 2637479), (1495, 1314329), (1937, 1014415), (3427, 573365), (8821, 222755), (9685, 202883), (17135, 114673), (44105, 44551)]