64775845

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 85092480

約数和(自身を除く): 20316635

約数列:

[1, 5, 19, 43, 95, 101, 157, 215, 505, 785, 817, 1919, 2983, 4085, 4343, 6751, 9595, 14915, 15857, 21715, 33755, 79285, 82517, 128269, 301283, 412585, 641345, 681851, 1506415, 3409255, 12955169, 64775845]

約数ペア:

[(1, 64775845), (5, 12955169), (19, 3409255), (43, 1506415), (95, 681851), (101, 641345), (157, 412585), (215, 301283), (505, 128269), (785, 82517), (817, 79285), (1919, 33755), (2983, 21715), (4085, 15857), (4343, 14915), (6751, 9595)]