2738255

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:530

約数の個数: 16

約数和(自身を含む): 3581760

約数和(自身を除く): 843505

約数列:

[1, 5, 13, 65, 103, 409, 515, 1339, 2045, 5317, 6695, 26585, 42127, 210635, 547651, 2738255]

約数ペア:

[(1, 2738255), (5, 547651), (13, 210635), (65, 42127), (103, 26585), (409, 6695), (515, 5317), (1339, 2045)]