249904225

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{243809}}^1$

素因数の和:243860

約数の個数: 12

約数和(自身を含む): 317440620

約数和(自身を除く): 67536395

約数列:

[1, 5, 25, 41, 205, 1025, 243809, 1219045, 6095225, 9996169, 49980845, 249904225]

約数ペア:

[(1, 249904225), (5, 49980845), (25, 9996169), (41, 6095225), (205, 1219045), (1025, 243809)]