219024325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{673921}}^1$

素因数の和:673944

約数の個数: 12

約数和(自身を含む): 292482148

約数和(自身を除く): 73457823

約数列:

[1, 5, 13, 25, 65, 325, 673921, 3369605, 8760973, 16848025, 43804865, 219024325]

約数ペア:

[(1, 219024325), (5, 43804865), (13, 16848025), (25, 8760973), (65, 3369605), (325, 673921)]