7400379905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1\times {\mathrm{2557}}^1$

素因数の和:3089

約数の個数: 32

約数和(自身を含む): 9547683840

約数和(自身を除く): 2147303935

約数列:

[1, 5, 17, 79, 85, 395, 431, 1343, 2155, 2557, 6715, 7327, 12785, 34049, 36635, 43469, 170245, 202003, 217345, 578833, 1010015, 1102067, 2894165, 3434051, 5510335, 17170255, 18735139, 87063293, 93675695, 435316465, 1480075981, 7400379905]

約数ペア:

[(1, 7400379905), (5, 1480075981), (17, 435316465), (79, 93675695), (85, 87063293), (395, 18735139), (431, 17170255), (1343, 5510335), (2155, 3434051), (2557, 2894165), (6715, 1102067), (7327, 1010015), (12785, 578833), (34049, 217345), (36635, 202003), (43469, 170245)]