219386225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{283079}}^1$

素因数の和:283120

約数の個数: 12

約数和(自身を含む): 280815360

約数和(自身を除く): 61429135

約数列:

[1, 5, 25, 31, 155, 775, 283079, 1415395, 7076975, 8775449, 43877245, 219386225]

約数ペア:

[(1, 219386225), (5, 43877245), (25, 8775449), (31, 7076975), (155, 1415395), (775, 283079)]