201584825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{620261}}^1$

素因数の和:620284

約数の個数: 12

約数和(自身を含む): 269193708

約数和(自身を除く): 67608883

約数列:

[1, 5, 13, 25, 65, 325, 620261, 3101305, 8063393, 15506525, 40316965, 201584825]

約数ペア:

[(1, 201584825), (5, 40316965), (13, 15506525), (25, 8063393), (65, 3101305), (325, 620261)]