13209865

素因数分解:

$5^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{229}}^1$

素因数の和:456

約数の個数: 16

約数和(自身を含む): 16228800

約数和(自身を除く): 3018935

約数列:

[1, 5, 83, 139, 229, 415, 695, 1145, 11537, 19007, 31831, 57685, 95035, 159155, 2641973, 13209865]

約数ペア:

[(1, 13209865), (5, 2641973), (83, 159155), (139, 95035), (229, 57685), (415, 31831), (695, 19007), (1145, 11537)]