289422725

素因数分解:

$5^2\times {\mathrm{19}}^2\times {\mathrm{32069}}^1$

素因数の和:32117

約数の個数: 18

約数和(自身を含む): 378778770

約数和(自身を除く): 89356045

約数列:

[1, 5, 19, 25, 95, 361, 475, 1805, 9025, 32069, 160345, 609311, 801725, 3046555, 11576909, 15232775, 57884545, 289422725]

約数ペア:

[(1, 289422725), (5, 57884545), (19, 15232775), (25, 11576909), (95, 3046555), (361, 801725), (475, 609311), (1805, 160345), (9025, 32069)]