991920385

素因数分解:

$5^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1\times {\mathrm{4021}}^1$

素因数の和:4608

約数の個数: 16

約数和(自身を含む): 1204669440

約数和(自身を除く): 212749055

約数列:

[1, 5, 103, 479, 515, 2395, 4021, 20105, 49337, 246685, 414163, 1926059, 2070815, 9630295, 198384077, 991920385]

約数ペア:

[(1, 991920385), (5, 198384077), (103, 9630295), (479, 2070815), (515, 1926059), (2395, 414163), (4021, 246685), (20105, 49337)]