1641272555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{245149}}^1$

素因数の和:245270

約数の個数: 16

約数和(自身を含む): 2141630400

約数和(自身を除く): 500357845

約数列:

[1, 5, 13, 65, 103, 515, 1339, 6695, 245149, 1225745, 3186937, 15934685, 25250347, 126251735, 328254511, 1641272555]

約数ペア:

[(1, 1641272555), (5, 328254511), (13, 126251735), (65, 25250347), (103, 15934685), (515, 3186937), (1339, 1225745), (6695, 245149)]