28173385

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{2221}}^1$

素因数の和:2328

約数の個数: 16

約数和(自身を含む): 35196480

約数和(自身を除く): 7023095

約数列:

[1, 5, 43, 59, 215, 295, 2221, 2537, 11105, 12685, 95503, 131039, 477515, 655195, 5634677, 28173385]

約数ペア:

[(1, 28173385), (5, 5634677), (43, 655195), (59, 477515), (215, 131039), (295, 95503), (2221, 12685), (2537, 11105)]