1277990045

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{90031}}^1$

素因数の和:90220

約数の個数: 16

約数和(自身を含む): 1633540608

約数和(自身を除く): 355550563

約数列:

[1, 5, 17, 85, 167, 835, 2839, 14195, 90031, 450155, 1530527, 7652635, 15035177, 75175885, 255598009, 1277990045]

約数ペア:

[(1, 1277990045), (5, 255598009), (17, 75175885), (85, 15035177), (167, 7652635), (835, 1530527), (2839, 450155), (14195, 90031)]